Preparation of 4-chloro-3-sulphamoyl-N-(2,3-dihydro-2-methyl-1H-

Details Preparation of 4-chloro-3-sulphamoyl-N-(2,3-dihydro-2-methyl-1H- Preparation of 4-chloro-3-sulphamoyl-N-(2,3-dihydro-2-methyl-1H-

1991-05-22

1992-05-05

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548469, C07D20908

Patent

active

051109468

ABSTRACT:
The invention relates to a new process for the industrial preparation of 4-chloro-3-sulphamoyl-N-(2,3-dihydro-2-methyl-1H-indol-1-yl)benzamide from 2,3-dihydro-2-methyl-1H-indole and hydroxylamine-O-sulphonic acid.

REFERENCES:
patent: 3565911 (1971-02-01), Beregi
patent: 4570001 (1986-02-01), Auerbach

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