Patent ID: 7081536
Filing Date: 2006-07-25
Classification: C07C,C07F

Abstract:
1. A compound of formula I wherein X is oxygen, sulfur, selenium or NQ, wherein Q is unsubstituted or substituted aryl, or alkyl or substituted alkyl; n is 0, 1, 2, 3or 4; A Y, Y′, Y″ and Y′″ are each independently of the other hydrogen or alkyl, substituted alkyl, aryl-lower alkyl wherein the aryl radical is unsubstituted or substituted, and heterocyclyl-lower alkyl wherein the heterocyclyl radical is unsubstituted or substituted, unsubstituted or substituted aryl, or unsubstituted or substituted heterocyclyl, at least one of the radicals Y, Y′, Y″ or Y′″ being one of the mentioned radicals with the exception of hydrogen; and Z, when present, is a substituent, it being possible when a plurality of substituents Z is present for those substituents to be selected independently of one another; or a mixture of such compounds.