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The synthesis of large-ring methylenecycloalkanes by the cyclization of allylic dibromides with nickel carbonyl

✍ Scribed by E.J. Corey; Paul Helquist

Book ID: 104224319
Publisher: Elsevier Science
Year: 1975
Tongue: French
Weight: 167 KB
Volume: 16
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)91183-3

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✦ Synopsis

The reaction of allylic halides with nickel carbonyl is a very useful method for the formation of carbon-carbon bonds (e.g. equation 1). 132 This reaction has been applied to the 2R Ni(C0J4

Br intramolecular coupling, or cyclization,of various allylic dihalides. 394 Herein we describe a further extension of this work which permits the synthesis of large-ring methylenecycloalkanes.

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