Chemical process for preparation of 7-chloro-2-methyl-3,3a-dihyd

Details Chemical process for preparation of 7-chloro-2-methyl-3,3a-dihyd Chemical process for preparation of 7-chloro-2-methyl-3,3a-dihyd

1978-12-29

1980-09-23

Randolph, John D.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

42424851, 544 90, C07D49804

Patent

active

042244439

ABSTRACT:
The compound 7-chloro-2-methyl-3,3a-dihydro-2H,9H-isoxazolo(3,2-b)(1,3)-benzoxazin-9-on e is produced by reacting a mixture of tetrahydrofuran and crotonaldehyde with 5-chlorosalicylhydroxamic acid. The compound has demonstrated utility as a uricosuric agent.

REFERENCES:
patent: 3598814 (1971-08-01), Reisner et al.
patent: 3684805 (1972-08-01), Reisner et al.
patent: 3903083 (1975-09-01), Shen et al.

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