Tetrahedron Letters p. 4075 - 4078 (1985)
Update date:2022-07-29
Topics:
Weintz, Hans-Joachim
Binger, Paul
(Ph3P)4Pd - or (RO)3P/Ni(COD)2 - catalyzed <3+2>-cycloaddition of methylenecyclopropanes 1a - 1e with the ketenimines 2a, 2b leads selectively to pyrrols, α-methylene- δ3-pyrrolines or iminocyclopentenes depending on the substituents of the imi
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