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  • Intramolecular [2+2] cycloaddition of homoallylketenes to bicyclo[2.1.1]hexan-5-ones.

Intramolecular [2+2] cycloaddition of homoallylketenes to bicyclo[2.1.1]hexan-5-ones.

Chemical & pharmaceutical bulletin (2012-04-03)
Takaya Hoshikawa, Kei Tanji, Jun-ichi Matsuo, Hiroyuki Ishibashi
PMID22466740
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.

MATERIALS
Product Number
Brand
Product Description
103004
Sigma-Aldrich
2-Hexanone, reagent grade, 98%
47733-U
Supelco
2-Hexanone, analytical standard
02473
Supelco
2-Hexanone, analytical standard