Patent number: RE44768
Abstract: A compound of the structure wherein R1 and R2 are each, independently, hydrogen or —CO(CR3R4)b(CR5R6)dCR7R8R9; R3 and R4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, or —F; R5 and R6 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, —(CR3R4)fOR10, —CF3, —F, or —CO2R11, or R5 and R6 may be taken together to form X or a cycloalkyl ring that is optionally mono-, di-, or tri-substituted with —(CR3R4)fOR10; R7 is hydrogen, alkyl, alkenyl, alkynyl, —(CR3R4-)fOR10, —CF3, —F, or CO2R11; R8 and R9 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, —(CR3R4)fOR10, —CF3, —F, or —CO2R11, or R8 and R9 may be taken together to form X or a cycloalkyl ring that is optionally mono-, di-, or tri-substituted with —(CR3R4-)fOR10; R10 is hydrogen, alkyl, alkenyl, alkynyl, tri-(alkyl)silyl, tri-(alkyl)silylethyl, triphenylmethyl, benzyl, alkoxymethyl, tri-(alkyl)silylethoxymethyl, chloroethyl, or tetrahydropyranyl; R11 is hydrogen, alkyl, alkenyl, alkynyl, or phenylalkyl; X is
Type:
Grant
Filed:
June 28, 2013
Date of Patent:
February 18, 2014
Assignee:
Wyeth LLC
Inventors:
Jerauld S. Skotnicki, Christina L. Leone, Guy A. Schiehser