Regio- and stereoselective ring-opening reactions of cyclopropenones: α-methylene-γ-butyrolactones via additions of trichlorocyclopropenylium ions to alkenes

DOI: 10.1016/S0040-4039(00)88780-8

Source and publish data:

Tetrahedron Letters p. 1261 - 1264 (1990)

Update date:2022-08-03

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Authors:

Musigmann

Mayr Mayr

De Meijere

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Article abstract of DOI:10.1016/S0040-4039(00)88780-8

The 2-chloro-3-(2'-chloroalkyl)cyclopropenones 4, readily obtained by hydrolysis of the adducts of the trichlorocyclopropenylium ion onto alkenes, thermally rearrange to propiolic acid chlorides 6. Treatment of 4 with TosOH·H₂O in CH_{2
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Full text of DOI:10.1016/S0040-4039(00)88780-8

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