5-氯噻吩-2-甲酸甲酯置于甲醇,硫酸体系中,化学反应 18.0H,以100%的收率获得产物4-氯噻吩-2-甲酸 参考文献:Compositions And Methods Of Targeting Mutant K-Ras 标题:Compositions And Methods Of Targeting Mutant K-Ras 摘要:提供了抑制k-Ras的化合物和组合物,特别是突变型k-Ras.某些化合物优先甚至选择性地抑制特定形式的突变型k-Ras,特别是g12D突变形式.
专利号:US-5648502-A 优先权日:1992-11-23 标 题 :Regioselective synthesis of 4-chloro-2-thiophenecarboxylic acid 发明人:BURGESS LAURENCE E; SCHULTE GARY R 权利人:PFIZER 摘要:4-Chloro-2-thiophenecarboxylic acid is made by forming a compound of formula (Ia), disclosed herein, wherein R 3 is (C 1 -C 6 ) alkyl, phenyl, or benzyl; converting the compound to a compound of formula (IVa), disclosed herein, and removing the silyl group R 3 Si--. The product is useful as an intermediate in making pharmaceutical products.
专利号:WO-9412505-A1 优先权日:1992-11-23 标题 :Regioselective synthesis of 4-chloro-2-thiophenecarboxylic acid
专利号:EP-0669924-A1 优先权日:1992-11-23 标题 :REGIOSELECTIVE SYNTHESIS OF 4-CHLORO-2-THIOPHENECARBOXYLIC ACID.
专利号:EP-0669924-B1 优先权日:1992-11-23 标 题:Regioselective synthesis of 4-chloro-2-thiophenecarboxylic acid
专利号:CN-1093704-A 优先权日:1992-11-23 标 题:Regioselective synthesis of 4-chloro-2-thiophenecarboxylic acid
专利号:AU-670454-B2 优先权日:1992-11-23 标 题:Regioselective synthesis of 4-chloro-2-thiophenecarboxylic acid