Tetrahedron Letters

Synthesis of azafluorenone via oxidative intramolecular Heck cyclization

S Dhara, A Ahmed, S Nandi, S Baitalik, JK Ray

文献索引：Dhara, Shubhendu; Ahmed, Atiur; Nandi, Sukla; Baitalik, Shantanu; Ray, Jayanta K. Tetrahedron Letters, 2013 , vol. 54, # 1 p. 63 - 65

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被引用次数: 18

摘要

A very short and highly efficient protocol to azafluorenone exploiting intramolecular oxidative Heck cyclization using Pd (0) is presented. Precursor alcohols afforded azafluorenone in a single step with simultaneous oxidation and cyclization under Heck reaction condition in excellent yield. This methodology could be very much crucial in the total synthesis of azafluorenone alkaloids for promising pharmacological activity.