Pyrolysis of β,γ,β'-trioxo phosphorus ylides: Convenient synthesis of symmetrical and unsymmetrical diacylalkynes

DOI: 10.1016/S0040-4039(00)73898-6

Source and publish data:

Tetrahedron Letters p. 5621 - 5622 (1993)

Update date:2022-07-30

Topics:

Authors:

Aitken Aitken

Herion Herion

Janosi Janosi

Raut Raut

Seth Seth

Shannon Shannon

Smith Smith

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Article abstract of DOI:10.1016/S0040-4039(00)73898-6

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.

Full text of DOI:10.1016/S0040-4039(00)73898-6

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