Tetrahedron p. 3753 - 3758 (1986)
Update date:2022-08-03
Topics:
Hinz, Werner
Jones, R. Alan
Patel, Sunil U.
Karatza, Mary-Helen
Nucleophilic addition to but-1-en-3-one by the acyl anion equivalent of 2-formylpyrroles, generated by reaction with thiazolium salts, yields 1-(2-pyrrolyl)pent-1,4-diones, which undergo the Paal-Knorr reaction with ammonia and primary amines to give the 2,2'-bipyrroles.Alternatively, the 2,2'-bipyrrole system can be obtained by pyrolysis of 2-azido-5-(2-pyrrolyl)penta-2,4-dienoic esters.
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Doi:10.1016/j.tet.2008.07.111
(2008)Doi:10.1016/S0040-4039(00)84705-X
(1986)Doi:10.1002/hlca.19860690305
(1986)Doi:10.1002/hlca.200590121
(2005)Doi:10.1021/jo00388a046
(1987)Doi:10.1016/S0040-4039(00)83858-7
(1986)
