Abbott Laboratories Corporation

James A Parks

Jacob J Plattner

Cheuk M Lee

Disclosed are compounds of the formula: ##STR1## wherein X is hydrogen, loweralkyl, loweralkoxy or halo, Y is hydroxymethyl, carboxyl, carboxamido or carboloweralkoxy, and R is cyclohexyl, benzyl, norbornyl, loweralkyl, or a pharmaceutically acceptable salt thereof. The compounds are effective as diuretic agents.

3-Alkyl-8-chloro-5,6-dihydrofuro-[3,2-f]-1,2-benzisoxazole-6-carboxylic

Described are compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another denote hydrogen or loweralkyl; A is CO, CH.sub.2, O, S, SO or CHOH; X is hydrogen, halo, loweralkyl, or --CH.sub.2 NR.sub.1 R.sub.2 wherein R.sub.1 and R.sub.2 are as defined above; W is COOR wherein R is hydrogen or alkyl of 1-10 carbon atoms, CH.sub.2 OH, CONR.sub.1 R.sub.2 or CH.sub.2 NR.sub.1 R.sub.2 wherein R.sub.1 and R.sub.2 are as defined above; Z.sub.1 and Z.sub.2 independently of one another denote hydrogen, halo or loweralkyl; and pharmaceutically acceptable salts thereof. The compounds are effective as diuretic agents.

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James A Parks