Patent ID: 6509463
Filing Date: 2003-01-21
Classification: C07B,C07C,C07D

Abstract:
A compound of the formula VIII wherein A is group of the formula Z is an O or S atom, R1 to R4 and, when present, R6 and R7 each have a maximum of 20 carbon atoms and are independently of one another H atoms, substituted or unsubstituted alkyl, alkenyl, alkynyl, alkaryl, aryl, alicyclic radicals, heteroalicyclic or heteroaryl radicals having up to 4 hetero atoms O, N, S, and optionally two of the radicals R1 to R4 and, when present, R6 and R7 that are separated from one another by up to two carbon atoms are constituents of a common ring system, the ring system comprising a substituted or unsubstituted alicyclic monocycle having 5 to 8 ring atoms, a heteroalicyclic monocycle having 5 to 8 ring atoms with up to two hetero atoms O, N, S, an alicyclic bicycle having 7 to 14 ring atoms, or a heteroalicyclic bicycle having 7 to 14 ring atoms with up to 4 hetero atoms O, N, S, and R5 has a maximum of 20 carbon atoms and is a substituted or unsubstituted alkyl, alkenyl, alkynyl, allyl, alkaryl, aryl, alicyclic radical, heteroalicyclic or heteroaryl radical having up to 4 hetero atoms O, N, S, and the radicals RC, RD, RE, RF, RG, RH, each have a maximum of 20 carbon atoms and are independently of one another H atoms or unsubstituted alkyl, alkenyl, alkynyl, alkaryl, aryl, alicyclic radicals, heteroalicyclic or heteroaryl radicals having up to 6 hetero atoms O, N, S or are corresponding radicals that are substituted by one, two or more halogen, tert-amino, nitro, cyano, carboxylic acid ester, carboxylic acid amide, carboxylic acid imide, alkyloxy, epoxy, boron, silyloxy, silyl, thio, sulfonic acid ester, sulfenic acid ester, sulfinic acid ester, sulfonamido, urethane or urea functions.