| abstract |
PURPOSE: Cyclopropanecarboxylic acid esters I(R 1 , 2 are H, lower alkyl, lower alkenyl, aryl, halogen, etc.; R 3 is H or methyl; R 4 is 2-methyl-1-propenyl, 2-methoxycarbonyl-1-propenyl, cyclopentylidenemethyl, etc. when R 3 is H; R 4 is methyl when R 3 is methyl; X is O or S), e.g. 4,5-dimethyl-3-(2,2-dichlorovinyl) cyclopropane-carboxymethyl]-isoxazoline-3-one. n COPYRIGHT: (C)1978,JPO&Japio |