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Chem Pharm Bull (Tokyo)
; 60(4): 548-53, 2012.
Article
in English
| MEDLINE
| ID: mdl-22466740
ABSTRACT
Intramolecular [2+2] cycloaddition of γ,δ-unsaturated ketenes derived from hex-5-enoyl chloride derivatives gave bicyclo[2.1.1]hexan-5-ones with complete regioselectivity.