Claims
- 1. A phthalimidocinnamic acid of the formula I ##STR29## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.2 is hydrogen or halogen;
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- R.sup.4 is hydrogen, cyano, nitro, halogen or C.sub.1 -C.sub.6 -alkyl;
- R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C6-cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated under R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C6-cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy) carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C6-alkyl) aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoximino-C.sub.1 -C.sub.6 -alkyl, hydroximino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -haloalkenyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)-carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may, if desired, carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxyl, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl;
- or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy) carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl;
- X is sulfur,
- and the agriculturally useful salts of I.
- 2. The phthalimidocinnamic acid of the formula I defined in claim 1, where R.sup.3 is halogen or cyano.
- 3. The phthalimidocinnamic acid of the formula I defined in claim 1, where R.sup.2 is hydrogen, fluorine or chlorine.
- 4. A herbicidal composition containing a herbicidal amount of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, and at least one inert liquid or solid carrier and optionally at least one surfactant.
- 5. A plant desiccant or defoliant composition containing and amount, effective for desiccation or defoliation, of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, and at least one inert liquid or solid carrier and optionally at least one surfactant.
- 6. A process for the preparation of a herbicidal composition, wherein a herbicidal amount of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, and at least one inert liquid or solid carrier and optionally at least one surfactant are mixed.
- 7. A process for the preparation of a desiccant or defoliant composition, wherein an amount, effective for desiccation or defoliation, of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, and at least one inert liquid or solid carrier and optionally at least one surfactant are mixed.
- 8. A method for controlling undesirable plant growth, wherein a herbicidal amount of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, is contacted with plants or their habitat or on seed.
- 9. A method for the desiccation or defoliation of plants, wherein an amount, effective for desiccation or defoliation, of at least one phthalimidocinnamic acid of the formula I or an agriculturally useful salt of I, as defined in claim 1, is contacted with plants.
- 10. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, where R.sup.4 is chlorine or bromine, wherein an aniline of the formula III ##STR30## where R.sup.1 is hydrogen or C.sub.1 -C.sub.6 -alkyl;
- R.sup.2 is hydrogen or halogen; and
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- and a propynoic acid IV ##STR31## where R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated for R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxyimino-C.sub.1 -C.sub.6 -alkyl, hydroxyimino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.7 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; and
- X is sulfur,
- are subjected to a Meerwein alkylation reaction.
- 11. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, wherein a benzaldehyde of the formula V ##STR32## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.2 is hydrogen or halogen; and
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- is reacted with an ylide of the formula VI ##STR33## where R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated for R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxyimino-C.sub.1 -C.sub.6 -alkyl, hydroxyimino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -haloalkenyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl;
- X is sulfur, and
- Ar in an aromatic group which may be substituted.
- 12. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, where R.sup.4 is nitro or cyano, wherein a benzaldehyde of the formula V ##STR34## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.2 is hydrogen or halogen; and
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy; is reacted with a CH-acidic compound of the formula VIIa or VIIb ##STR35## where R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the group stated for R.sup.5, or is cyano, nitro C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxyimino-C.sub.1 -C.sub.6 -alkyl, hydroxyimino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl C.sub.3 -C.sub.6 haloalkenyl (C.sub.1 -C.sub.6 -alkoxyl)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced be oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; and
- X is sulfur.
- 13. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, wherein either an activated carboxylic acid of the formula VIII ##STR36## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.2 is hydrogen or halogen; and
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- R.sup.4 is hydrogen, cyano, nitro, halogen or C.sub.1 -C.sub.6 -alkyl: and
- L.sup.1 is a conventional leaving group,
- is reacted with a nucleophile of the formula IX ##STR37## where R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated for R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, hyroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxyimino-C.sub.1 -C.sub.6 -alkyl, hydroxyimino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -haloalkenyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 allyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxyl)carbonyl); and
- X is sulfur,
- or an activated carboxylic acid of the formula X ##STR38## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X and L.sup.1 have the above-mentioned meanings, is reacted with an alcohol HOR.sup.7 where R.sup.7 has the above-mentioned meaning.
- 14. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, wherein either an acid XII ##STR39## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.2 in hydrogen or halogen;
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- R.sup.4 is hydrogen, cyano, nitro, halogen or C.sub.1 -C.sub.6 -alkyl; and
- X is sulfur,
- is reacted with an alkylating agent XIII ##STR40## where R.sup.5 is hydrogen or C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated for R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, hydroxyimino-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -haloalkenyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 and R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl-C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; and
- L.sup.2 is a conventional leaving group,
- or a compound I as defined in claim 1, where R.sup.7 is hydrogen, is reacted with an alkylating agent L.sup.2 R.sup.7.
- 15. A process for the preparation of a phthalimidocinnamic acid of the formula I as defined in claim 1, wherein a tetrahydophthalic anhydride of the formula XIV ##STR41## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- is reacted with an aminocinnamic acid IIa ##STR42## where R.sup.2 is hydrogen or halogen;
- R.sup.3 is cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -haloalkoxy;
- R.sup.4 is hydrogen, cyano, nitro, halogen or C.sub.1 -C.sub.6 -alkyl;
- R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -hydroxyalkyl, C.sub.1 -C.sub.6 -mercaptoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkyl;
- R.sup.6 is one of the groups stated for R.sup.5, or is cyano, nitro, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl-C.sub.1 -C.sub.6 -alkyl, aminocarbonyl-C.sub.1 -C.sub.6 -carbonyl-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkylthio)-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkenyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, hydroxycarbonyl, (C.sub.1 -C.sub.6 -alkylamino)carbonyl, di(C.sub.1 -C.sub.6 -alkyl)aminocarbonyl, aminocarbonyl(C.sub.1 -C.sub.6 -alkyl)carbonyl, (C.sub.1 -C.sub.6 -haloalkyl)carbonyl, aryl, hetaryl, aryl-C.sub.1 -C.sub.6 -alkyl or hetaryl-C.sub.1 -C.sub.6 -alkyl, where the aryl and hetaryl rings may carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio, hydroxy, mercapto and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; or
- R.sup.5 an R.sup.6 together form a two-membered to six-membered alkylene chain in which a methylene unit may be replaced by oxygen or C.sub.1 -C.sub.4 -alkylimino;
- R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -cyanoalkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkythio-C.sub.2 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl-C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkyl-C.sub.1 -C.sub.6 -alkyl, phenyl or benzyl, where the phenyl rings may each carry from one to three groups selected from the group consisting of cyano, nitro, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -haloalkylthio and (C.sub.1 -C.sub.6 -alkoxy)carbonyl; and
- X is sulfur.
Priority Claims (2)
Number |
Date |
Country |
Kind |
44 38 578 |
Oct 1994 |
DEX |
|
PCT/EP95/04067 |
Oct 1995 |
WOX |
|
Parent Case Info
This is a Divisional Application of application Ser. No. 08/928,527, filed on Sep. 12, 1997, now U.S. Pat. No. 5,807,807 which stands allowed, which is a Divisional Application of application Ser. No. 08/817,326, filed Apr. 07, 1997, now U.S. Pat. No. 5,707,937.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5707937 |
Heistracher et al. |
Jan 1998 |
|
Divisions (2)
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Number |
Date |
Country |
Parent |
928527 |
Sep 1997 |
|
Parent |
817326 |
Apr 1997 |
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