Osamu Magara

Cyclopropane carboxylic acid esters

Novel cyclopropanecarboxylic acid esters

A convenient synthesis of 4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-enone, an alcohol moiety of a synthetic pyrethroid having strong killing and knockdown activity.

Process for isomerization of a cyclopropanecarboxylic acid

Ethylene ketals of y-ketocarboxylic acid esters intermediates for phar - maceuticals and insecticides

Process for production of β-dihalogenoethenylcyclopropane derivatives

Process for preparing 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone; a gamma-diketone compound and substituted acetonedicarboxylic esters

Method for preparing 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone

Verfahren zur herstellung von beta- dihalogenaethenylcyclopropancarbonsaeure- derivaten A process for preparing beta- dihalogenaethenylcyclopropancarbonsaeure- derivatives

A process for preparing beta- dihalogenaethenylcyclopropancarbonsaeure- derivatives