Synlett 2022; 33(07): 694-698
DOI: 10.1055/a-1770-7922
letter

Bismuth(III) Triflate-Catalyzed Intermolecular Cyclization of Phenols with Diols: Direct Access to O-Heterocycles

Maki Minakawa
,
Yuya Sakurai
This work was supported by Mitsubishi Chemical Corporation.


Abstract

A direct access to O-heterocycles by Bi(OTf)3-catalyzed intermolecular cyclization of phenols with diols is described. Catalytic dehydrative tandem formation of C–O and C–C bonds was achieved by using a Bi(OTf)3 catalyst without any additives. The catalytic intermolecular cyclization of phenols with various diols proceeded to give the corresponding chromanes in up to 91% yield and/or pyran derivatives in up to 66% yield.

Supporting Information



Publication History

Received: 20 January 2022

Accepted after revision: 14 February 2022

Accepted Manuscript online:
14 February 2022

Article published online:
10 March 2022

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