RADICAL CYCLISTION: SYNTHESIS OF 4H-FURO(3,2-c)-1-BENZOPYRANS

DOI: 10.1016/0040-4039(88)85155-4

Source and publish data:

Tetrahedron Letters p. 3335 - 3338 (1988)

Update date:2022-08-11

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Authors:

Ariamala, G.

Balasubramanian, K. K.

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Article abstract of DOI:10.1016/0040-4039(88)85155-4

3,4-dihydro-3-bromo-4-(prop-2-ynyloxy)-2H-1-benzopyrans (3) undergo radical cyclisation when treated with nBu3SnH and AlBN to give good yield of 2,3,3a,9b,-tetrahydro-3-methylene-4H-furo(3,3-c)benzopyran (4).

Full text of DOI:10.1016/0040-4039(88)85155-4

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