Tetrahedron Letters p. 5621 - 5622 (1993)
Update date:2022-07-30
Topics:
Aitken
Herion
Janosi
Raut
Seth
Shannon
Smith
Flash vacuum pyrolysis of a series of 1,2,4-trioxo-3-triphenylphosphoranylidene-butane derivatives, formed by acylation of β-oxo-phosphorus ylides with α-oxo-acid chlorides, results in extrusion of Ph3PO exclusively across the 2,3-position to give diacylalkynes.
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