α-Chlorination and Carbonylolefination: Synthesis of Phenyl 1-Chloro-1-alken-1-yl Selenides (Chlorovinyl Phenyl Selenides)
- 1 January 1987
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1987 (02) , 169-170
- https://doi.org/10.1055/s-1987-27875
Abstract
The lithium derivatives prepared from diethyl phenylselenomethane-phosphonate with n-butyllithium at low temperature react with carbon tetrachloride to give the corresponding α-chlorinated phosphonate and trichloromethyllithium. The latter deprotonates the α-chlorinated phosphonate in situ to give a new lithio derivative which reacts with carbonyl compounds. These different steps take place in one pot and lead to chlorovinyl phenyl selenides, a novel class of selenocompounds.Keywords
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