Tetrahedron p. 6085 - 6112 (1990)
Update date:2022-08-02
Topics:
Bergman, Jan
Sand, Peter
A variety of nitroindoles have been prepared from imidate, amidine, and sec-anilide derivatives of 2-alkyl-3- or 5-nitroanilines by a base-induced cyclization promoted by dialkyl oxalates.It is shown that essentially the same procedure also can be used to synthesize the corresponding nitroindole-3-glyoxylates in one simple operation.The synthetic potential is discussed and a mechanism is proposed.
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Doi:10.1016/j.tet.2018.07.051
(2018)Doi:10.1039/c2jm31773g
(2012)Doi:10.1039/c1dt10502g
(2011)Doi:10.1007/s12272-016-0797-6
(2016)Doi:10.1016/j.tetlet.2011.07.009
(2011)Doi:10.1016/S0040-4020(01)90504-6
(1991)
