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Regioselective synthesis of 3,4-di{(carboclyl or heterocyclyl)thiophenes
Regioselective synthesis of 3,4-di{(carboclyl or heterocyclyl)thiophenes
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机译：3,4-二{（羰基或杂环基）噻吩的区域选择性合成
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摘要
A novel process for preparing 3,4-di(carbocyclyl or heterocyclyl)thiophenes comprising reacting a compound of Formula IV with a ring cyclizing reagent to form the compound of Formula V to yield a compound of Formula V wherein R1, R2 and R3 are as defined in the specification. chemistry chemdraw filechemistry mol file展开▼
机译：一种制备3,4-二（碳环基或杂环基）噻吩的新颖方法，该方法包括使式IV的化合物与环化剂反应以形成式V的化合物，从而制得其中R 1 ，R 2 和R 3 如规范中所定义。 <图像文件=“ US20030232996A1-20031218-C00001.GIF” he =“ 217.2177” id =“ EMI-C00001” imgContent =“ undefined” imgFormat =“ GIF” wi =“ 151.2189“ /> 化学化学绘图文件 化学mol文件
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