发明名称 CARBOXYLIC ACID DERIVATIVES AND USE THEREOF IN THE PREPARATION OF PRODRUGS
摘要 The present invention discloses a class of carboxylic acid derivatives and use thereof in preparation of prodrugs. The carboxylic acid derivatives have the general formula (I), wherein R1 is H or alkyl; X is H or F; Y is F or fluoroalkyl; n is 0, 1, 2, 3, 4, 5, or 6; W is W1 or W2; W1 is NR2R3, NR2R3.A,;;R2 and R3 are each independently H, alkyl, cycloalkyl, or a protecting group for amino; m is 0, 1, 2, or 3; A is an acid; W2 is COOR4, OPO(OR4)2, or PO(OR4)2; R4 is H, or a protecting group for carboxyl or hydroxyl in phosphoric acid.;
申请公布号 US2017057939(A1) 申请公布日期 2017.03.02
申请号 US201515119587 申请日期 2015.02.16
申请人 Li Qingeng 发明人 Li Qingeng;Wang Tao;Chen Gang;Wang Yuanzhong;Mao Wei;Wu Tong;Zeng Lingguo
分类号 C07D305/14;C07D405/12 主分类号 C07D305/14
代理机构 代理人
主权项 1. A carboxylic acid derivative of general formula (I), (II) or (III): wherein, R1 is H or alkyl; X is H or F; Y is F or alkyl substituted with one or more F; n is 0, 1, 2, 3, 4, 5 or 6; W is W1 or W2; W1 is NR2R3, NR2R3.A, R2, R3 are each independently H, alkyl, cycloalkyl, or a protecting group for amino; m is 0, 1, 2 or 3; A is an acid; W2 is COOR4, OPO(OR4)2 or PO(OR4)2; R4 is H, or a protecting group for carboxyl or hydroxyl in phosphoric acid; M is a metal ion; q is the charge number of M; and G is Cl, Br or benzenesulfonyloxy optionally substituted with alkyl.
地址 Chongqing CN