| 摘要 |
Novel 2-ethynylcyclopropane compounds having the formula WHEREIN R1 represents hydrogen atom, a straight or branched lower alkyl group or an aryl group which may be substituted with trifluoromethyl, nitro, halogen, a lower alkyl or a lower alkoxy, R2 and R3 may be the same or different and each represents hydrogen atom, a straight or branched lower alkyl group, a substituted or unsubstituted aryl group or an alkoxycarbonyl group and R4 represents hydrogen atom or a hydrocarbon group such as alkyl, aryl and aralkyl and the salt thereof. |
