A radical cyclisation route to α-methylene-γ-butyrolactones

Srikrishna , Adusumilli (1987) A radical cyclisation route to α-methylene-γ-butyrolactones Journal of the Chemical Society, Chemical Communications (8). pp. 587-588. ISSN 0022-4936

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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1987...

Related URL: http://dx.doi.org/10.1039/C39870000587

Abstract

A three-step synthesis of α-methylene-β-butyrolactones is described, via radical cyclisation of 2-bromoalkyl prop-2-ynyl ethers (5) to 3-methylenetetrahydrofurans (6) using a tin catalyst.

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