Mingguo Liu, Ying Zhong, M. Ding
Jul 1, 2008
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Influential Citations
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Journal
Chemical Research in Chinese Universities
Abstract
Abstract The title compounds 3,5,6,7-tetrahydro-4 H -cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-ones(6) were synthesized by base catalytic reactions of secondary amines with carbodiimides 4, which were obtained from the aza-Wittig reaction of iminophosphoranes(3) with aromatic isocyanates.