HOMO-DIELS-ALDER AND ENE REACTIONS OF PHOSPHAALKYNES

DOI: 10.1016/S0040-4039(00)82016-X

Source and publish data:

Tetrahedron Letters p. 1681 - 1684 (1988)

Update date:2022-07-30

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Authors:

Annen, Ulrich

Regitz, Manfred

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Article abstract of DOI:10.1016/S0040-4039(00)82016-X

Cycloalka-1,3-dienes 1 and 6 react with phosphaalkynes 2 to form the bicyclic systems 3 and 7 containing λ³?²-phosphorus atoms.Products 3 and 7 react with a further equivalent of 2 to furnish the tetracycles 4 and 8 by way of a previously unknown homo-Diels-Alder reaction.The ene reaction 9 + 2 - 10 defines the limits of the cycloaddition process.

Full text of DOI:10.1016/S0040-4039(00)82016-X

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