Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-01-27
1996-01-30
Haley, Jacqueline
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D20910
Patent
active
054881137
ABSTRACT:
Disclosed is a process for the preparation of a novel class of 1-hydroxy-6-organosulphonylindoles comprising catalytically hydrogenating beta-dimethylamino-2-nitro-4-organosulphonylstyrenes.
REFERENCES:
patent: 3296277 (1967-01-01), Petracek
patent: 5118695 (1992-06-01), Schleigh et al.
patent: 5183894 (1993-02-01), Schleigh et al.
Clark, R. et al., "Some Observations on the Formation of 1-Hydroxyindoles . . . " J. Het. Chem., vol. 22, pp. 121-125, 1985.
Eastman Chemical Company
Gwinnell Harry J.
Haley Jacqueline
Harding Karen A.
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