Helvetica Chimica Acta p. 1075 - 1084 (1996)
Update date:2022-08-03
Topics:
Chaumeil, Helene
Le Drian, Claude
Dibromoketene is prepared by in-situ Zn dehalogenation of tribromoaoetyl bromide in the presence of POCl3. Under these conditions, the cycloaddition of dibromoketene with olefins 5 yields α,α-dibromocyclobutanones 2, which are cleaved with alko
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