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Synthesis

Improved synthesis and efficient chemoselective reduction of fused tetrazoles under phase-transfer conditions

ND Desai, RD Shah

文献索引:Desai, Nirmal D.; Shah, Rina D. Synthesis, 2006 , # 19 p. 3275 - 3279

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被引用次数: 7

摘要

Abstract Liquid-liquid phase-transfer conditions were employed in an improved synthesis of 7, 9-substituted 7H-pyrrolo [3, 2-e] tetrazolo [1, 5-c] pyrimidines and 5, 7-substituted 4-amino- 7H-pyrrolo [2, 3-d] pyrimidines. The latter were obtained either by reductive ring cleavage of the former, or by one-pot synthesis from 5, 7-substituted 4-chloro-7H-pyrrolo [2, 3-d] pyrimidines.