Patent number: 7012069
Abstract: A compound of formula (I): Each of R1, R2, R3, R4, R4?, R5, R6, R7, R11, R12, R15, R16, and R17, independently, is hydrogen, halo, alkyl, haloalkyl, hydroxy, amino, carboxyl, oxo, sulfonic acid, or alkyl that is optionally inserted with —NH—, —N(alkyl)—, —O—, —S—, —SO—, —SO2—, —O—SO2—, —SO2—O—, —SO3—O—, —CO—, —CO—O—, —O—CO—, —CO—NR?—, or —NR?—CO—; or R3 and R4 together, R4 and R5 together, R5 and R6 together, or R6 and R7 together are eliminated so that a C?C bond is formed between the carbons to which they are attached; each of R8, R9, R10, R13, and R14, independently, is hydrogen, halo, alkyl, haloalkyl, hydroxyalkyl, alkoxy, hydroxy, or amino; n is 0, 1, or 2; A is alkylene, alkenylene, or alkynylene; and each of X, Y, and Z, independently, is alkyl, haloalkyl, —OR?, —SR?, —NR?R?, —N(OR?)R?, or —N(SR?)R?; or X and Y together are ?O, ?S, or ?NR?; wherein each of R? and R?, independently, is hydrogen, alkyl, or haloalkyl.
Type:
Grant
Filed:
May 2, 2002
Date of Patent:
March 14, 2006
Assignee:
ARCH Development Corporation
Inventors:
Ching Song, Shutsung Liao
