TRIFLUOROMETHYLTHIOPHENIUM DERIVATIVE SALT, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING TRIFLUOROMETHYL-CONTAINING COMPOUNDS USING THE SAME
申请人:Shibata Norio
公开号:US20120130090A1
公开(公告)日:2012-05-24
A trifluoromethylthiophenium derivative salt useful as synthetic intermediates for pharmaceuticals and agrochemicals, a method for producing the same, and a method for producing trifluoromethyl-containing compounds using the same are provided. An S-(trifluoromethyl)-benzo[b]thiophenium derivative salt is represented by the following general formula (1):
wherein R
1
, R
2
, R
3
, and R
4
are each independently a hydrogen atom, a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a methoxy group, an ethoxy group, a linear, branched, or cyclic alkyloxy group having 3 to 10 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group, R
5
is a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a phenyl group, or a substituted phenyl group, and X
−
represents an anion. Various trifluoromethyl-containing compounds are produced using a method for producing the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt, and using the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt as a trifluoromethylating agent.
本发明提供一种三氟甲基噻吩盐衍生物,可用作制药和农药的合成中间体,以及其制备方法和使用该盐衍生物制备含三氟甲基化合物的方法。S-(三氟甲基)-苯并[b]噻吩盐衍生物由下列普通式(1)表示:其中,R1、R2、R3和R4各自独立地是氢原子、甲基基团、乙基基团、具有3至10个碳原子的线性、支链或环烷基基团、甲氧基基团、乙氧基基团、具有3至10个碳原子的线性、支链或环烷氧基基团、氟原子、氯原子、溴原子、硝基或氰基,R5是甲基基团、乙基基团、具有3至10个碳原子的线性、支链或环烷基基团、苯基或取代苯基,X-表示阴离子。使用制备S-(三氟甲基)-苯并[b]噻吩盐衍生物的方法以及使用S-(三氟甲基)-苯并[b]噻吩盐衍生物作为三氟甲基化试剂可以制备各种三氟甲基含量的化合物。