Patent ID: 6812295
Filing Date: 2004-11-02
Classification: C07F,C08C,C08F

Abstract:
A compound useful as an electrophile comprising the formula: wherein:each X is independently halogen; each Z is independently a branched or straight chain hydrocarbon connecting group which contains 1-25 carbon atoms, optionally substituted with aryl or substituted aryl; each T is independently selected from the group consisting of oxygen, sulfur, nitrogen, and mixtures thereof; (Aâ€”R1R2R3) is a protecting group, in which each A is independently an element selected from Group IVa of the Periodic Table of the Elements; and R1, R2, and R3 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl, and substituted cycloalkyl; R, R4, and R5 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl, and substituted cycloalkyl; h is 0 when T is oxygen or sulfur, and 1 when T is nitrogen; l is an integer from 1 to 7; m is 1 when T is oxygen or sulfur, and 2 when T is nitrogen; n is 2 or 3; and w is 0 or 1, with the proviso that each T in structure (I) is not oxygen.