Patent ID: 6340768
Filing Date: 2002-01-22
Classification: C07F,C23C,Y10S

Abstract:
A compound of formula I: whereinR1 is alkyl, substituted alkyl, haloalkyl, cycloalkyl, aryl, substituted aryl, heteroaryl, arylalkyl, alkoxy, acyl, alkyl carboxylate, aryl carboxylate, alkenyl, alkynyl, or E2(R6)(R7)(R8); R2 is H, halogen, nitro, or haloalkyl; E1 and E2 are independently Si, Ge, Sn, or Pb; R3, R4, R5, R6, R7, and R8 are independently alkyl or haloalkyl, and at least one of R3, R4, R5, R6, R7, and R8 is haloalkyl; Y and Z are independently O, S or NR9; and R9 is alkyl, substituted alkyl, cycloalkyl, aryl, substituted aryl, heteroaryl, arylalkyl, alkoxy, alkenyl, or alkynyl.