Derivatives of A-30912D nucleus

Abstract

Compounds of the formula ##STR1## wherein R.sup.1 is a group of the formula: ##STR2## wherein A is divalent oxygen, sulfur, sulfinyl, or sulfonyl; A.sup.1 is divalent oxygen, sulfur, sulfinyl, sulfonyl or --NH--; X is hydrogen, chloro, bromo, iodo, nitro, C.sub.1 -C.sub.3 alkyl, hydroxy, C.sub.1 -C.sub.3 alkoxy, mercapto, C.sub.1 -C.sub.3 alkylthio, carbamyl or C.sub.1 -C.sub.3 alkylcarbamyl; X.sup.1 is chloro, bromo or iodo; R.sup.2 is hydrogen, C.sub.1 -C.sub.18 alkyl or C.sub.2 -C.sub.18 alkenyl; W is C.sub.1 -C.sub.10 alkylene or C.sub.2 -C.sub.10 alkenylene; m, n and p are 0 or 1, but if m=0, n must=0; provided: that the sum of the carbon atoms in the R.sup.2 and W groups must be greater than 4 but cannot exceed 21; that when X is mercapto, A and A.sup.1 cannot be sulfinyl or sulfonyl; and that when A and A.sup.1 are sulfinyl or sulfonyl, they must be in equal oxidation states.

Dependencies are inferred from the claim text.