Patent ID: 6730782
Filing Date: 2004-05-04
Classification: C07C,C07D,C07F

Abstract:
A &bgr;-lactam having the formula: whereinX1 is â€”OX6, â€”SX7, or â€”NX8X9; X2 is hydrogen, alkyl, alkenyl, alkynyl, aryl, or heteroaryl; X3 and X4 are independently hydrogen or heteroaryl; X5 is â€”CONX8X10; X6 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, or hydroxy protecting group; X7 is alkyl, alkenyl, alkynyl, aryl, heteroaryl, or sulfhydryl protecting group; X8 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterosubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl or X8 together with X10 forms a heteroaryl or heterosubstituted alkyl; X9 is an amino protecting group; and X10 is alkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterosubstituted alkyl, alkenyl alkynyl, aryl, heteroaryl or X10 together with X8 forms a heteroaryl or heterosubstituted alkyl.