Tandem insertion of allenyl carbenoids and aldehydes into zirconacycles: an unexpected cyclisation
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 14,p. 1321-1322
- https://doi.org/10.1039/a702732j
Abstract
Allenyl carbenoids (3-chloro-1-lithioalk-1-ynes) insert into zirconacyclopentanes and zirconacyclopentenes to afford cyclic η 3 -allenyl/prop-2-ynyl zirconocene complexes which give allenyl, alkynyl or cyclised-alcohol products on addition of aldehydes activated with boron trifluoride–diethyl ether.Keywords
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