Preparation of indolenines

Details Preparation of indolenines Preparation of indolenines

1979-01-30

1981-03-10

Tovar, Jose

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

564276, C07D20908, C07C11910

Patent

active

042553334

ABSTRACT:
A process for the preparation of an indolenine of the formula ##STR1## where R, X and Y are conventional substituents, by thermal rearrangement of a compound of the formula ##STR2## to give a compound of the formula ##STR3## and cyclization of this compound in the presence of an acid catalyst.

REFERENCES:
R. C. Fuson, "Adv. Org. Chem.", pp. 18-21, and 58-61, Wiley, N.Y., (1950).
Elderfield, "Heterocyclic Compounds", vol. 3, Chapman & Hall, Ltd., New York, N.Y., (1952), pp. 97-98.

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