A Direct and an Efficient Regioselective Synthesis of 1,2-Benzothiazine 1,1-dioxides, β-Carbolinones, Indolo[2,3-<i>c</i>]pyran-1-ones, Indolo[3,2-<i>c</i>]pyran-1-ones, Thieno[2,3-<i>c</i>]pyran-7-ones and Pyrano[3’,4’:4,5]imidazo[1,2-<i>a</i>]pyridin-1-ones via Tandem Stille/Heterocyclization Reaction

A Direct and an Efficient Regioselective Synthesis of 1,2-Benzothiazine 1,1-dioxides, β-Carbolinones, Indolo[2,3-<i>c</i>]pyran-1-ones, Indolo[3,2-<i>c</i>]pyran-1-ones, Thieno[2,3-<i>c</i>]pyran-7-ones and Pyrano[3’,4’:4,5]imidazo[1,2-<i>a</i>]pyridin-1-ones via Tandem Stille/Heterocyclization Reaction

A general regioselective one-pot synthesis of 1,2-benzothiazine 1,1-dioxides from 2-iodo benzenesulfonamide moieties and allenylstannanes is described using a domino Stille-like/Azacyclization reaction. The conditions developed also opened a novel access to β-carbolinones, indolopyranones, thienopyr...

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Bibliographic Details
Main Authors:	Badr Jismy, Khalil Cherry, Carine Maaliki, Samuel Inack Ngi, Mohamed Abarbri
Format:	Article
Language:	English
Published:	MDPI AG 2020-11-01
Series:	Molecules
Subjects:	regioselective synthesis 1,2-benzothiazine 1,1-dioxides β-carbolinones indolo[2,3-<i>c</i>] and [3,2-<i>c</i>]pyrane-1-one derivatives Stille/Heterocyclization reaction
Online Access:	https://www.mdpi.com/1420-3049/25/21/5137

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