Claims
- 1. A compound having the formula: ##STR8## wherein B.sub.1 and B.sub.2 are independently selected from ##STR9## and which may be the same or different and wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently selected from the group consisting of hydrogen, chlorine, bromine, an alkyl or an alkoxy group having from 1 to 4 carbon atoms, a phenyl group or ##STR10## wherein R.sub.1 and R.sub.2 have the aforesaid meaning, X is chlorine or bromine and A is a single valence bond, oxygen, sulfur, ##STR11## an aromatic group having the formula ##STR12## X, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 having the aforesaid meanings and wherein n is an integer from 1 to 6.
- 2. The compound of claim 1 wherein A is oxygen.
- 3. The compound of claim 1 wherein A is a single valence bond.
- 4. The compound of claim 1 wherein A is sulfur.
- 5. The compound of claim 1 wherein A is ##STR13## radical.
- 6. The compound of claim 1 wherein A is --C=C--.
- 7. The compound of claim 1 wherein A is >N--R.sub.1.
- 8. The compound of claim 1 wherein A is >P--R.sub.1.
- 9. The compound of claim 1 wherein A is a methylene group.
- 10. The compound of claim 2 wherein B.sub.1 and B.sub.2 are each ##STR14##
- 11. The compound of claim 10 wherein R.sub.1 and R.sub.2 are each hydrogen on each of B.sub.1 and B.sub.2.
- 12. The compound of claim 10 wherein at least one of the R groups is an alkyl radical and the remainder are hydrogen.
- 13. The compound of claim 12 wherein the alkyl radical is methyl.
- 14. The compound of claim 13 wherein B.sub.1 is phenylene and B.sub.2 is tolylene.
- 15. The compound of claim 2 wherein B.sub.1 is ##STR15##
- 16. The compound of claim 15 wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each hydrogen.
- 17. The compound of claim 10 wherein A is ##STR16##
- 18. The compound of claim 17 wherein n is 1.
- 19. The compound of claim 3 wherein B.sub.1 and B.sub.2 are each ##STR17##
- 20. The compound of claim 19 wherein each of R.sub.1 and R.sub.2 in each of B.sub.1 and B.sub.2 are hydrogen.
CROSS REFERENCE TO RELATED APPLICATION:
This application is a continuation-in-part of copending application of Ser. No. 692,462, filed Jan. 18, 1985 now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1028108 |
May 1966 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
692462 |
Jan 1985 |
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