Journal of the Chemical Society. Chemical communications p. 937 - 939 (1980)
Update date:2022-08-11
Topics:
Buono, Gerard
Peiffer, Gilbert
Mortreux, Andre
Petit, Francis
The asymmetric codimerization of cyclohexa-1,3-diene with ethylene is catalysed by the Ni(cycloocta-1,5-diene)2-AlEt2Cl-L system where L are chiral aminophosphines; optimization of this catalytic system (-70 degC; L/Ni = 10) gives (+)-(S)-3-vinylcyclohexene with 73.5percent optical purity in 87percent chemical yield when (-)-(R)-N-methyl-N-(1-phenylethylamino)diphenylphosphine is used.
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