Patent ID: 6423740
Filing Date: 2002-07-23
Classification: C07C,C07D

Abstract:
A compound of formula (A) whereinAr represents phenyl, thienyl and furyl, said phenyl, thienyl and furyl being unsubstituted or substituted by one, two or three substituents independently selected from Cl, Br, F, â€”OMe, NO2, CF3, C1-4 lower alkyl, â€”NMe2, â€”NEt2, â€”SCH3, â€”NHCOCH3; and R represents â€”OCH2R1, in which R1 is selected from â€”CH&boxH;CMe2, â€”CMe&boxH;CH2, or â€”Câ‰¡CH; with the proviso that where Ar represents phenyl, C4-alkylphenyl, 4-methoxyphenyl, or 3,4-dimethoxyphenyl, R is other than 3-methyl-2-butenyloxy.