Claims
- 1. An .alpha.-peroxyazo compound of the formula (R").sub.3 C--N.dbd.N--C(R.sub.1)(R.sub.2)--OOR where:
- (R").sub.3 C is t-alkyl or t-aralkyl were the R"s are the same or different and are selected from alkyl of 1-5 carbons or phenyl, not more than one R" being phenyl; ##STR40## R, R'.sub.1, R.sub.2 and R'.sub.2 are separately selected from alkyl of 1-5 carbons; alkyl of 1-5 carbons substituted with lower alkoxy, carboxy or lower alkoxycarbonyl; phenyl; or join with their common atom to form cyclohexyl; and
- R.sub.13 is C.sub.1 -C.sub.6 alkylene.
- 2. An .alpha.-peroxyazo compound of the formula: ##STR41## wherein: (R").sub.3 C is t-alkyl, t-cycloalkyl, t-alkylcycloalkyl, t-arylcycloalkyl or t-aralkyl of 4-20 carbons wherein the R"s are the same or different and are selected from alkyl, alkenyl or alkynyl of 1-8 carbons, C.sub.7 -C.sub.12 aralkyl and C.sub.6 -C.sub.14 aryl and not more than one R" is aryl, or wherein 2 or 3 of said R"s join with the tertiary carbon atom to form cyclo-, bicyclo- or tricyclo- alkyl of 3-12 carbons, ##STR42## R.sub.1, R'.sub.1, R.sub.2 and R'.sub.2 are separately selected from C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.12 cyclo-, bicyclo-, or tricycloalkyl, C.sub.7 -C.sub.12 aralkyl, and C.sub.6 -C.sub.14 aryl, or, taken together with the common carbon atom to which they are attached, R.sub.1 and R.sub.2 and R'.sub.1 and R'.sub.2 join to form C.sub.4 -C.sub.12 cycloalkyl, or one or more of each of said R.sub.1 s, R'.sub.1 s, R.sub.2 s and R'.sub.2 s is as above-defined and is substituted with lower alkoxy, hydroxy, carboxy, lower alkoxycarbonyl, lower alkylcarbonyloxy, halo, cyano, dimethylamido or lower alkylsulfonato; and
- R.sub.13 is alkylene, alkynylene or alkenylene of 1-6 carbons or C.sub.6 -C.sub.9 arylene.
- 3. 2-(t-Butylazo)-2-(t-butylperoxy)-propane.
- 4. 2-(t-Butylazo)-2-(t-butylperoxy)-4-methylpentane.
- 5. 2-(t-Butylazo)-2-(t-butylperoxy)-4-methoxy-4-methylpentane.
- 6. Di[1-(t-butylazo)-1,3-dimethylbutyl]peroxide.
- 7. 2-(t-Butylazo)-2-(t-amylperoxy)-4-methylpentane.
- 8. 2,5-Dimethyl-2,5-di[1-(t-butylazo)cyclohexylperoxy]hexane.
CROSS REFERENCE TO RELATED APPLICATIONS
This is a continuation of application Ser. No. 88,110, filed Nov. 9, 1970, (now abandoned) which in turn is a continuation-in-part of application Ser. No. 725,180, filed Apr. 29, 1968 (now abandoned), which in turn is a continuing application of application Ser. No. 616,158, filed Feb. 15, 1967 (now abandoned), which is a continuing application of application Ser. No. 409,306, filed Nov. 5, 1964 (now abandoned).
US Referenced Citations (3)
Continuations (3)
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Number |
Date |
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Parent |
88110 |
Nov 1970 |
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Parent |
616158 |
Feb 1967 |
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Parent |
409306 |
Nov 1964 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
725180 |
Apr 1968 |
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