Tetrahedron Letters p. 2635 - 2638 (1986)
Update date:2022-08-16
Topics:
Lochschmidt, Siegfried
Mathey, Francois
1-Chlorophosphirenium salts obtained from RPCl2, alkynes, and AlCl3 are easily reduced by tributylphosphine around O deg C to give the corresponding tervalent phosphirenes; when RPCl2 is replaced by PCl3, the same overall scheme gives a 1-(β-chlorovinyl)phosphirene which formally results from the addition of a second molecule of alkyne onto the P-Cl bond of the expected 1-chlorophosphirene.
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(1987)
