Radical cyclisation of o-haloaryl allenylmethyl ethers and amines: synthesis of 3-ethenyl-2,3-dihydrobenzofurans and 3-ethenyl-2,3-dihydroindoles

Balasubramanian, T. ; Balasubramanian, K. K. (1994) Radical cyclisation of o-haloaryl allenylmethyl ethers and amines: synthesis of 3-ethenyl-2,3-dihydrobenzofurans and 3-ethenyl-2,3-dihydroindoles Synlett, 1994 (11). pp. 946-948. ISSN 0936-5214

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Official URL: https://www.thieme-connect.com/ejournals/abstract/...

Related URL: http://dx.doi.org/10.1055/s-1994-23059

Abstract

o-Haloaryl allenylmethyl ethers and amines upon treatment with n-Bu3SnH and AIBN in refluxing benzene, underwent a 5-exo-trig free radical cyclisation to give the respective 3-ethenyl-2,3-dihydrobenzofurans and 3-ethenyl-2,3-dihydroindoles in good yields.

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