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📜2-(3-甲基苯基)硫基乙酸置于二硫化碳,氢氟酸体系中,化学反应生成6-甲基苯并噻吩
参考文献:Syntheses In The Thionaphthene Series
标题:Syntheses In The Thionaphthene Series
摘要:
Doi:10.1021/ja01212A018

专利信息

专利号:US-9051289-B2
优先权日:2013-09-26
标 题 :Process and intermediates for preparing GPR40 agonists
发明人：DAHMANN GEORG; WAGNER HOLGER; ECKHARDT MATTHIAS; FRANK MARKUS; SANTAGOSTINO MARCO; SCHNAUBELT JUERGEN; STERTZ UWE; PACHUR THORSTEN
权利人:DAHMANN GEORG; WAGNER HOLGER; ECKHARDT MATTHIAS; FRANK MARKUS; SANTAGOSTINO MARCO; SCHNAUBELT JUERGEN; STERTZ UWE; PACHUR THORSTEN; BOEHRINGER INGELHEIM INT
摘要:The present invention relates to compounds of formula I n nwherein R S denotes F or CF 3 , R a denotes H or C 1-4 -alkyl and Z denotes a leaving group or an optionally substituted or protected hydroxyl group, suitable as intermediates in the synthesis of indanyloxydihydrobenzofuranylacetic acids, which are GPR40 agonists, to a process for preparing these intermediates and to the process for preparing the GPR40 agonists making use of an asymmetric catalytic hydrogenation reaction in the presence of a transition metal catalyst and a chiral auxiliary.