Ethylene derivative having a nitrogen-containing 7-membered...

Details Ethylene derivative having a nitrogen-containing 7-membered... Ethylene derivative having a nitrogen-containing 7-membered...

2005-04-12

2005-04-12

Yamnitzky, Marie (Department: 1774)

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

C540S587000

Reexamination Certificate

active

06878822

ABSTRACT:
A compound represented by formula (IA):in which (A) represents an ethylene group, a vinylene group or an o-arylene group; Ar1and Ar2each represent an aryl group; R1and R2each represent an alkyl group or an aryl group; R3represents an alkyl group or an aryl group; R4and R5each represent a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a dialkylamino group, an N-alkyl-N-arylamino group or a diarylamino group; or Ar1and R1, or Ar2and R2are taken together either directly or indirectly to form a ring; Ar1(R1)C═CH—(CH═CH)m— and Ar2(R2)C═CH—(CH═CH)n— are on the 2- or 3-position and the 7- or 8-position of the respective benzene rings; m and n each represent an integer of from 0 to 2; and p and q each represent an integer of from 0 to 3.

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