Processes for preparing 4-substituted indoles

Details Processes for preparing 4-substituted indoles Processes for preparing 4-substituted indoles

1981-06-29

1983-07-19

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564 36, 564374, C07D20904

Patent

active

043945147

ABSTRACT:
A new chemical sequence for preparing indoles is disclosed whose key reactions are reaction of a o-nitrotoluene with tris(dimethylamino)methane to give a .beta.-dimethylamino-o-nitrostyrene which is converted into a semicarbazone and cyclized.

REFERENCES:
patent: 3976639 (1976-08-01), Batcho et al.
Blaikie et al., J. Chem. Soc., pp. 296-335, (1924).

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