Patent ID: 6114570
Filing Date: 2000-09-05
Classification: C07B,C07C,G03C

Abstract:
A hydroxamic acid compound represented by formula (IVB) or (VB): ##STR102## wherein X.sup.b represents --OR.sup.5b or --N(R.sup.5b)(R.sup.6b) (wherein R.sup.5b and R.sup.6b, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group having from 1 to 30 carbon atoms, a substituted or unsubstituted cycloalkyl group having from 5 to 30 carbon atoms or a substituted or unsubstituted aryl group having from 6 to 30 carbon atoms, and R.sup.5b and R.sup.6b are combined with each other to form a ring structure); andin formula (VB), R.sup.1b represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms and in formula (IVB), R.sup.1b represents an alkyl group having from 2 to 6 carbon atoms.