Claims
- 1. An azetidinone derivative represented by the formula (I) ##STR41## wherein: R.sup.1 is phenyl optionally substituted with methyl, chlorine or nitro, or phenoxy optionally substituted with methyl, chlorine or nitro;
- R.sup.2 is a group of the formula (II), (III), or (VI) ##STR42## wherein R.sup.6 is hydrogen or carboxyl-protecting group; Z.sup.1 and Z.sup.2 are the same or different and are each hydrogen, halogen, methylthio, ethylthio, phenylthio, p-nitrophenylthio, pentachlorophenylthio, 2-pyridylthio, 2-benzothiadiazolylthio, 1,3,4-thiadiazole-5-ylthio, 1,2,3,4-tetrazole-5-ylthio, 1-methyl-1,2,3,4-tetrazole-5-ylthio, O-ethyldithiocaerbonate, N,N-diethyldithiocarbamate, phenylsulfonyl, p-methylphenylsulfonyl, hydroxy, methoxy, ethoxy, acetoxy, benzoyloxy, nitrosooxy, nitriloxy, dimethylamino, or piperidine-1-yl, and W is protected hydroxyl group;
- X.sup.1 and X.sup.2 are the same or different and are halogen, hydroxyl, alkoxy, acyloxy, SR.sup.4 (wherein R.sup.4 is straight chain or branched chain lower alkyl, phenyl optionally substituted with chlorine or nitro, pyridyl, benzothiazolyl), amino or hydrogen, one of X.sup.1 and X.sup.2 not being hydrogen when the other is, or ##STR43## (wherein R.sup.3 is hydrogen, or lower alkyl); and R.sup.5 is phenyl optionally substituted with chlorine or nitro, pyridyl, 2-benzothiazolyl, 1,3,4-thiadiazolyl optionally substituted with methyl or phenyl, tetrazolyl optionally substituted with methyl or phenyl, or benzimidazolyl.
Priority Claims (1)
Number |
Date |
Country |
Kind |
57-210490 |
Nov 1982 |
JPX |
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Parent Case Info
This is a division of application Ser. No. 908,970 filed Sept. 17, 1986, now abandoned, which is a continuation of application Ser. No. 553,306, which was filed on Nov. 17, 1983, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3954732 |
Kamiya |
May 1976 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
908970 |
Sep 1986 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
553306 |
Nov 1983 |
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