Reaction of E-1,2-bis[triphenyl(trifluoromethanesulfonyloxy)phospho]ethylene, Ph3PCH=CHPPh3·20Tfwith bases: Unusual products and evidence for C2-dlylide, Ph3P=C=C=PPh3, formation

DOI: 10.1016/S0040-4020(01)86460-7

Source and publish data:

Tetrahedron p. 4539 - 4546 (1991)

Update date:2022-08-04

Topics:

Authors:

Stang, Peter J.

Arif, Atta M.

Zhdankin, Viktor V.

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Article abstract of DOI:10.1016/S0040-4020(01)86460-7

E-1,2-di[triphenyl(trifluoromethanesulphonyloxy)phospho]ethylene 4 reacts with Et₃N or NaH in wet CH₃CN affording phosphineoxides 6 and 7 as a result of phenyl migration and related rearrangements in hydrolysed phosphonium moieties.

Full text of DOI:10.1016/S0040-4020(01)86460-7

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