Rapid Access to Benzoxaphospholes and Their Spiro Analogues by a Three-Component Coupling Involving Arynes, Phosphines, and Activated Ketones

Bhunia, Anup ; Roy, Tony ; Gonnade, Rajesh G. ; Biju, Akkattu T. (2014) Rapid Access to Benzoxaphospholes and Their Spiro Analogues by a Three-Component Coupling Involving Arynes, Phosphines, and Activated Ketones Organic Letters, 16 (19). pp. 5132-5135. ISSN 1523-7060

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Official URL: http://doi.org/10.1021/ol502490t

Related URL: http://dx.doi.org/10.1021/ol502490t

Abstract

An operationally simple multicomponent coupling involving in situ generated arynes from 2-(trimethylsilyl)aryl triflates, phosphines, and various acyclic and cyclic activated carbonyl compounds has been developed. The reaction proceeds via a formal [3 + 2] cycloaddition mode giving access to differently substituted (spiro)benzoxaphosphole derivatives in moderate to good yields. Mild reaction conditions, a broad scope, and the possibility of varying all the three-components are the notable features of the present reaction.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society
ID Code:128679
Deposited On:03 Nov 2022 06:53
Last Modified:03 Nov 2022 06:53

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