Issue 26, 2017
From the journal:

Chemical Communications

Convenient preparation of 4-diazoisochroman-3-imines and 3-subsituted 3,5-dihydroisochromeno[3,4-d][1,2,3]triazoles†

Anni Ren,a   Ping Lu*a  and  Yanguang Wang ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
E-mail: pinglu@zju.edu.cn, orgwyg@zju.edu.cn

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.

Graphical abstract: Convenient preparation of 4-diazoisochroman-3-imines and 3-subsituted 3,5-dihydroisochromeno[3,4-d][1,2,3]triazoles

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Article information

DOI
https://doi.org/10.1039/C7CC00603A
Article type
Communication
Submitted
22 Jan 2017
Accepted
13 Mar 2017
First published
13 Mar 2017

Chem. Commun., 2017,53, 3769-3772

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Convenient preparation of 4-diazoisochroman-3-imines and 3-subsituted 3,5-dihydroisochromeno[3,4-d][1,2,3]triazoles

A. Ren, P. Lu and Y. Wang, Chem. Commun., 2017, 53, 3769 DOI: 10.1039/C7CC00603A

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