Tetrahedron Letters p. 1681 - 1684 (1988)
Update date:2022-07-30
Topics:
Annen, Ulrich
Regitz, Manfred
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.
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Doi:10.1248/cpb.36.1772
(1988)Doi:10.1246/cl.2009.524
(2009)Doi:10.1021/jo00261a046
(1988)Doi:10.1002/anie.200901855
(2009)Doi:10.1002/ejoc.200900336
(2009)Doi:10.1002/hc.20504
(2009)
