2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acids antihypoxic and

Details 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acids antihypoxic and 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acids antihypoxic and

1989-01-17

1989-12-05

Shen, Cecilia

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

5142335, 514307, 514310, 514320, 514397, 514470, 544153, 544360, 544364, 544376, 544377, 546140, 546146, 546196, 548336, 548525, 549407, 549466, A61K 31495, A61K 3144, C07D40114, C07D40512

Patent

active

048852996

ABSTRACT:
The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,

REFERENCES:
patent: 2513698 (1950-07-01), Weston et al.
Lavielle et al., Chem. Abst. 110-75296z (1989).
Weston et al., Chem. Abst.; vol. 44, 8956a (1950) "2(3)-benzofuranone derivatives".

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