4-Hydroxy-3-sulfonyl-quinolin-2(1H)-ones

Details 4-Hydroxy-3-sulfonyl-quinolin-2(1H)-ones 4-Hydroxy-3-sulfonyl-quinolin-2(1H)-ones

1976-03-01

1978-11-28

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424258, 546155, C07D21371

Patent

active

041275748

ABSTRACT:
Anti-allergic 4-hydroxy-3-sulfonyl-quinolin-2(1H)-ones are prepared by reacting an isatoic anhydride with the carbanion resulting from the treatment of sulfonyl acetic acid alkyl esters with a proton abstracting agent.

REFERENCES:
patent: 3849420 (1974-11-01), Tong

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