Patent ID: 6162810
Filing Date: 2000-12-19
Classification: C07C,C07D,C07F

Abstract:
A compound having the structural formula: ##STR9## wherein, A is (CH.sub.2).sub.n, and n is 1 or 2;R.sub.1 and R.sub.2 are each independently OR, lower alkoxy, halo, NO, NO.sub.2, NH.sub.2, acyl, acyloxy, acylamino, diacyl, carboxyacyl, amino-oxalyl, or together form --O--(CH.sub.2).sub.a --O--, where a is 1, 2, or 3; and R.sub.1 may also be alkyl; but R.sub.1 and R.sub.2 cannot both be OH; and, where X.sub.1, X.sub.2 or X.sub.3 is lower alkoxy, R.sub.1 and R.sub.2 cannot both be methyloxy;Y.sub.1 and Y.sub.2 are each independently H, OH, NH.sub.2, carboxyl or together form .dbd.O or .dbd.NOH;X.sub.2 and X.sub.3 are each independently halo, lower alkyl, lower alkoxy, NO.sub.2, acyl, acyloxy, aryl, heteroaryl, acylphosphonate, or together form --O--(CH.sub.2).sub.b --O--, where b is 1, 2, or 3; and,X.sub.1 is H, OH, lower alkyl, lower alkoxy, NH.sub.2, acyl, acyloxy, aryl, heteroaryl, acylphosphonate, or X.sub.1 may form --O--(CH.sub.2).sub.b --O-- together with either X.sub.2 or X.sub.3, where b is 1, 2, or 3.