New Approach to Vinylphosphines Based on Pd- and Ni-Catalyzed Diphenylphosphine Addition to Alkynes
- 28 March 2001
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 2001 (04) , 0497-0500
- https://doi.org/10.1055/s-2001-12317
Abstract
The catalytic addition of Ph2PH to phenylacetylene regioselectively leads to the Ph2P-CH=CHPh isomer with Pd(PPh3)4 in acetonitrile and to the Ph2P-C(Ph)=CH2 isomer with Ni(acac)2/(EtO)2P(O)H in benzene. High selectivity were also obtained for the catalytic addition of Ph2PH to t BuC≡CH and to PhC≡CPh.Keywords
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