Patent number: 7064122
Abstract: The subject invention features compounds having the structure: wherein X is O, S, CH2 or NR5; Y is O or S; R1 is H, substituted or unsubstituted C1-C15 alkyl, C1-C8 alkylaryl, —C(O)OR4, —C(O)NR4R5, —CR6R6?OR4, —CR6R6?OC(O)R4, —CR6R6?OC(O)NHR7, —C(O)NR10R11, —C(O)NR8R9NR8R9, —N(R5)C(O)NHR5, or CH2R4; R2 is a substituted or unsubstituted, straight chain C1—C30 alkyl or branched C3-C30 alkyl, aryl, alkylaryl, arylalkyl, heteroarylalkyl or cycloalkyl; R3 is H or substituted or unsubstituted C1-C6 alkyl or C3-C10 cycloalkyl; R4 is H or a substituted or unsubstituted, straight chain or branched, C6-C30 alkyl, aryl, —CH2-aryl, aryl —C1-C15 alkyl, heteroaryl-C1-C15alkyl or C3-C10 cycloalkyl; R5 is H or a substituted or unsubstituted, straight chain or branched, C6-C30 alkyl, aryl C1-C30alkyl, heteroarylalkyl or cycloalkyl; R6 and R6? are each independently H, substituted or unsubstituted C1-C6 alkyl, dialkyl or C3-C10 cycloalkyl or together form a 3-7 membered ring system; R7 is H or substituted or unsubstituted
Type:
Grant
Filed:
December 20, 2002
Date of Patent:
June 20, 2006
Assignee:
OSI Pharmaceuticals, Inc.
Inventors:
David Witter, Arlindo Castelhano
