Arylthiovinylcyclopropanecarboxylate insecticide and intermediates therefor

Abstract From the Canadian patent

Arylthiovinylcyclopropanecarboxylates are disclosed having the general formula, I, wherein Y is independently halogen; cyano lower alkyl, lower haloalkyl, lower alkoxy or lower alkylthio and n is 0, 1, 2 or 3;, Z is hydrogen, halogen cyano, or lower alkyl; and R, is halogen hydroxy, lower alkoxy, or -OR1 wherein R1 is allethrolonyl, tetrhydrophthalimidomethyl or is represented by the formula, in which R2 is hydrogen, lower alkyl, ethynyl, cyano or trihalomethyl;, R3 is divalent oxygen, divalent sulfur or vinylene; R4 and R5 are independently hydrogen, lower alkyl phenyl, phenoxy, benzyl, phenylthio, or are joined to form a divalent methylenedioxy group attached to two adjacent ring carbons …