Patent ID: 6288109
Filing Date: 2001-09-11
Classification: A61P,C07D

Abstract:
A 2H-1-pyran-2-one of formula I, ##STR5##whereinR.sup.1 represents an alkyl radical with from 2 to 5 C atoms, a cycloalkyl radical with from 4 to 6 C atoms, a cycloalkyl alkyl radical with from 4 to 8 C atoms or an alkoxyalkyl radical with altogether 3 to 5 C atoms, andR.sup.2 represents a 2-(3,4-methylene dioxyphenyl)ethyl radical or a 2-phenyl ethenyl radical substituted with R.sup.3, R.sup.4 and R.sup.5 in positions 3, 4 and 5 on the benzene ring,and wherein, independently of one another,R.sup.3 and R.sup.5 are methoxy or ethoxy, andR.sup.4 is a straight-chain or branched alkoxy radical with from 1 to 5 C atoms, an alkenyloxy radical with from 3 to 5 C atoms, a cycloalkoxy radical with from 4 to 6 C atoms, a cycloalkyl alkoxy radical with from 4 to 8 C atoms or an alkoxy alkoxy radical with altogether 3 to 5 C atoms.