Claims
- 1. A compound of the formula I ##STR11## in which m is an integer from 1 to 4, n is 0, 1, 2 or 3 and the sum of m+n is 4, Y.sub.1 and Y.sub.2 are oxygen and Y is --O--, X is chlorine or bromine, and the group R is, or in the case where m>1 the groups R independently of one another are, straight-chain C.sub.1 -.sub.12 -alkyl, 2-hydroxyethyl, phenyl, p-tolyl, 2-, 3- or 4-methoxyphenyl, 4-chlorophenyl, 2,5-dichlorophenyl, 4-nitrophenyl, 4-acetylaminophenyl, 2- or 4-aminophenyl, 4-hydroxyphenyl or --CH.sub.2 CH.sub.2 C.sub.p F.sub.2p+1 with p=6, 8 or 10, with the proviso that when m is the integer 1, the group --SR is bonded in the 4-position; and when m is the integer 2, the groups --SR are bonded in the 4,5-positions and the groups R are both identical.
- 2. A compound according to claim 1 wherein X is chlorine or bromine, and the group R is, or the groups R independently of one another are, straight-chain C.sub.1 -.sub.12 -alkyl, 2-hydroxyethyl, --CH.sub.2 CH.sub.2 C.sub.8 F.sub.17, phenyl, p-tolyl, 2- or 4-methoxyphenyl, 4-chlorophenyl, 2,5-dichlorophenyl or 4-nitrophenyl.
- 3. A compound according to claim 1 wherein X is chlorine or bromine, and the group R is, or the groups R independently of one another are, straight-chain C.sub.1 -.sub.12 -alkyl, 2 hydroxyethyl, --CH.sub.2 CH.sub.2 C.sub.8 F.sub.17, phenyl, p-tolyl, 2- or 4-methoxyphenyl, 4-chlorophenyl or 4-nitrophenyl.
- 4. A compound of the formula I, according to claim 1, in which m is the integer 4 and pairs of groups R of the groups --SR bonded in the 3,6- and 4,5-positions each have the same definition or all four groups R are identical.
- 5. The compound according to claim 1 which is 4,5-bis-(phenylthio)-3,6-dichlorophthalic anhydride.
- 6. The compound according to claim 1 which is 4-phenylthio-3,5,6-trichlorophthalic anhydride.
- 7. The compound according to claim 1 which is 3,4,5,6-tetrakis-(phenylthio)-phthalic anhydride.
- 8. The compound according to claim 1 which is 5,6-bis-(phenylthio)-3,6-dibromophthalic anhydride.
- 9. The compound according to claim 1 which is 3,4,5,6-tetrakis-(p-tolylthio)-phthalic anhydride.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2364/81 |
Apr 1981 |
CHX |
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Parent Case Info
This is a divisional of application Ser. No. 363,188, filed Mar. 29, 1982, now U.S. Pat. No. 4,459,414, issued July 10, 1984.
US Referenced Citations (5)
Number |
Name |
Date |
Kind |
3884955 |
Von Der Crane et al. |
May 1975 |
|
3922284 |
Heath et al. |
Nov 1975 |
|
3933862 |
Williams |
Jan 1976 |
|
4363917 |
Fischer et al. |
Dec 1982 |
|
4480105 |
Fischer et al. |
Oct 1984 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
1571742 |
Jul 1980 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
363188 |
Mar 1982 |
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