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Start Over Author "Ren, Anni" Topic azides
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1. Convenient preparation of 4-diazoisochroman-3-imines and 3-subsituted 3,5-dihydroisochromeno[3,4-d][1,2,3]triazoles.

Author

Ren, Anni, Lu, Ping, and Wang, Yanguang

Subjects
*CHROMANS, *IMINES, *COPPER catalysts, *AZIDES, *METHANOL
Abstract

A novel and convenient preparation of 4-diazoisochroman-3-imines through the copper(i)-catalyzed cascade reaction of (2-ethynylphenyl)-methanols with sulfonyl azides is described. The synthesized cyclical α-diazo imidates could readily react with a variety of primary amines to furnish 3-substituted 3,5-dihydroisochromeno[3,4-d][1,2,3]-triazoles under catalyst-free conditions. [ABSTRACT FROM AUTHOR]

Published
2017
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