Abstract:
A thiophene derivative having the formula,
WHEREIN R1 is hydrogen or methyl, and R2 is methyl, 2-methyl-1propenyl or 2-methoxycarbonyl-1-propenyl when R1 is hydrogen, and R2 is methyl when R1 is methyl, which may be used as insecticides with high insecticidal activities.
Abstract:
Novel phenyloxy-furylmethyl or -thenyl 2,2-dimethyl 3substituted cyclopropane carboxylate of the formula: WHEREIN R1 is a hydrogen atom or methyl group; R2 is methyl, 2methyl-1-propenyl, 2-methoxycarbonyl-1-propenyl, phenyl or 3,4methylenedioxyphenyl group when R1 is a hydrogen atom, or methyl group when R1 is methyl group; R3 is a hydrogen or a halogen atom or methyl group; and Y is an oxygen or a sulfur atom; which carboxylate is useful as an insecticide and is prepared by the esterification of the reactive derivatives of the carboxylic acid with the furylmethyl or thenyl compounds.
WHEREIN R1 IS HYDROGEN ATOM OR METHYL, R2 IS METHYL, 2-METHYL-1-PROPENYL OR 2-METHOXYCARBONYL-1-PROPENYL WHEN R1 IS HYDROGEN ATOM, AND R2 IS METHYL WHEN R1 IS METHYL, AND Y IS METHYLENE OR SULFUR ATOM; WHICH ESTER IS USEFUL FOR AN INSECTICIDE AND IS PREPARED BY THE ESTERIFICATION OF THE CYCLOPROPANECARBOXYLIC ACID OR REACTIVE DERIVATIVES THEREOF WITH THE HYDROXY- OR HALO-METHYLIMIDE.
WHEREIN R1 MEANS HYDROGEN ATOM OR METHYL GROUP, R2 MEANS METHYL, 2-METHYL-1-PROPENYL OR PHENYL GROUP WHEN R1 IS HYDROGEN ATOM, AND MEANS METHYL GROUP WHEN R1 IS METHYL GROUP, AND N AND N MEAN AN INTEGER OF 1 OR 2 (WHEN ANY ONE OF THEM IS AN INTEGER OF 2, THE OTHER IS AN INTEGER OF 1), WHICH HAVE EXCELLLENT INSECTICIDAL ACTIVITIVES.
Abstract:
WHEREIN R3 is a C3-C5 alkenyl, a C3-C5 alkynyl or C5 alkadienyl, R4 is a substituted or unsubstituted phenyl, thienyl or furyl (the substituent being methyl, methoxy or a halogen), and R5 is a substituted phenyl, thienyl or furyl (the substituent being a C1C3 alkyl, a C3-C5 alkenyl, C5 alkadienyl, a C3-C5 alkynyl, a halogen, benzyl, thenyl, furylmethyl, phenoxy, phenylthio or a polymethylene containing or not containing oxygen in the carbon chain having 3 - 4 carbon atoms), or phthalimido, thiophthalimido, di- or tetrahydrophthalimido or a substituted maleimido (the substituent being one or two C1-C4 alkyls or phenyls), which is useful as an active ingredient of insecticides.
WHEREIN R1 is a methyl, R2 is a C1-C5 alkoxymethyl, a C3-C5 alkenoxymethyl, a C3-C5 alkynoxymethyl, a C1-C5 alkylcarboxyl, a C2-C5 alkenylcarbonyl or a C2-C5 alkynylcarbonyl, or R1 and R2 are bonded at respective ends to form cyclic ketone, R is a member of
Abstract:
DIPHENYLMETHANE DERIVATIVES REPRESENTED BY THE FORMULA,
(R2)M,(((R3)N-PHENYL)-C(-R1)(-R4)-)BENZENE
WHEREIN R1 IS-OR,-COOR OR -CH2OR, IN WHICH R IS PROPARGYL OR ALLYL; R2 AND R3 ARE HYDROGEN, A HALOGEN, AN ALKYL OR METHYLENEDIOXY BONDED TO TWO CARBON ATOMS ADJACENT TO EACH OTHER ON THE BENZENE RING; WHEN R IS PROPARGYL R4 IS HYDROGEN, AN ALKYL, -OR'', -COOR'', -CH2OR'' OR
R"-PHENYL
IN WHICH R'' IS PROPARGYL, ALLYL OR AN ALKYL AND R" IS AN ALKYL OR A HALOGEN, WHEN R IS ALLYL R4 IS -OR''", -COOR''" OR -CH2OR''" IN WHICH R''" IS ALLYL OR AN ALKYL; M AND N AR AN INTEGER OF 1 TO 5 AND WHEN M AND/OR N ARE AN INTEGER OF 2 OR MORE, R2''S AND/OR R3''S MAY BE THE SAME OR DIFFERENT; THE DIPHENYLMETHANE DERIVATIVES BEING EMPLOYABLE AS SYNERGISTS FOR INSECTICIDES.
Abstract:
1,2-DIPHENYLETHYLENE DERIVATIVES REPRESENTED BY THE FORMULA,
((R2)N-PHENYL)-C(-R3)=CH-),(R1)M-BENZENE
WHEREIN R1 AND R2 ARE RESPECTIVELY HYDROGEN, AN ALKYL, AN ALKOXY, METHYLENEDIOXY GROUP BONDED TO TWO CARBON ATOMS ADJACENT TO EACH OTHER ON THE BENZENE RING, OR A HALOGEN, R3 IS A GROUP OF-COOR OR-CH2OR IN WHICH R IS PROPARGYL OR ALLYL, AND M AND N ARE AN INTEGER OF 1 TO 5, AND WHEN M AND/OR N ARE AN INTEGER OF 2 OR MORE, THE R1''S MAY BE THE SAME OF DIFFERENT. THE 1,2-DIPHENYLETHYLENE DERIVATIVES MAY BE USEFUL AS SYNERGISTS.
Abstract:
An insecticidal composition in the form of fumigant which comprises, as an active ingredient, dl-2-allyl-3-methylcyclopent-2-ene-1-one-4-yl d-trans-chrysanthemate consisting of dl-allethrolone and d-trans-chrysanthemic acid, and an inert carrier, which has a rapid knock down effect and an effect to delay the recovery of injurious insects knocked down, and which is useful for sanitary, agricultural and horicultural purposes.