7-Methylthio or methylsulfinyl-5-oxo-5H-thiazolo[2,3-b]quinazoli

Details 7-Methylthio or methylsulfinyl-5-oxo-5H-thiazolo[2,3-b]quinazoli 7-Methylthio or methylsulfinyl-5-oxo-5H-thiazolo[2,3-b]quinazoli

1979-10-12

1981-08-04

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

424251, C07D51314, C07D23972, C07D49504

Patent

active

042823609

ABSTRACT:
7-Methylthio or methylsulfinyl-5-oxo-5H-thiazolo[2,3-b]quinazoline-2-carboxylic acid, useful as antiallergic agents, and prepared by the reaction of 5-methylthioanthranilic acid with methyl 2-chlorothiazole-5-carboxylate, subsequent hydrolysis, and, as necessary, oxidation to the corresponding sulfoxide, is described.

REFERENCES:
patent: 4041163 (1977-08-01), Bindra et al.
patent: 4083980 (1978-04-01), Schromm et al.
patent: 4122274 (1978-10-01), Juby
patent: 4168380 (1979-09-01), LeMahieu

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