| abstract |
NOVEL CYCLOPROPANECARBOXYLIC ACID ESTERS OF THE FORMULA, 3-((2-R1,2-R2,3-R3,3-R4-CYCLOPROPYL)-COO-),4-(CH3-),5-R5- 4-CYCLOPENTEN-1-ONE WHEREIN R5 HAS THE SAME MEANINGS AS ABOVE. THESE ESTERS ARE USEFUL AS AN INSECTICIDE HARMLESS TO WARM-BLOOD ANIMALS. 1-(O=),3-(HO-),4-(CH3-),5-R5-4-CYCLOPENTENE WHEREIN R1, R2, R3 AND R4 HAVE ALL THE SAME MEANINGS AS ABOVE, OR ITS REACTIVE DERIVATIVE, WITH A CYCLOPENTENOLONE COMPOUND HAVING THE FORMULA, 1-(HOOC-),2-R1,2-R2,3-R3,3-R4-CYCLOPROPANE WHREIN R1 IS HYDROGEN, LOWER ALKYL HAVING 1 TO 4 CARBON ATOMS, PHENYL, LOWER ALKYL HAVING 1 TO 4 CARBON ATOMSSUBSITUTED PHENYL, OR LOWER ALKOXY HAVING 1 TO 4 CARBON ATOMS-SUBSITUTED PHENYL, R2, R3 AND R4 ARE LOWER ALKYLS HAVING 1 TO 4 CARBON ATOMS, AND R5 IS LOWER ALKYL HAVING 1 TO 4 CARBON ATOMS, LOWER ALKENYL HAVING 1 TO 4 CARBON ATOMS, CYCLOALKENYL HAVING 5 TO 6 CARBON ATOMS, ARALKYL HAVING 6 TO 9 CARBON ATOMS, ALKADIENYL GROUP OF 5 CARBON ATOMS OR FURFURYL. THESE NOVEL ESTERS ARE PREPARED BY ESTERIFYING A CYCLOPORPANECARBOXYLIC ACID HAVING THE FORMULA, |