摘要:
THE INVENTION PROVIDES A NEW COMPOUND 2,2-BIS(P-CHLOROPHENYL)-3,3-DIMETHYLOXETANE HAVING INSECTICIDAL PROPERTIES. IT MAY BE MADE BY IRRADIATING A MIXTURE OF 4,4''DICHLOROBENZOPHENONE AND ISOBUTYLENE WITH ULTRA-VIOLET RADIATION OR BY REACTING P-CHLOROBENZENEMAGNESIUM HALIDE WITH B-BROMOPIVALOYL CHLORIDE.
摘要:
An improved process for the manufacture of cis-8-dodecen-1-ol acetate, the sex pheromone of the oriental fruit moth Cydia molesta, comprises the steps of: i. reacting 1-chloro-6-iodohexane with pent-1-yne in liquid ammonia in the presence of lithium amide as a catalyst; ii. reacting the product of step (i) with an alkali metal cyanide in the presence of a metal iodide as catalyst; iii. subjecting the product of step (ii) to alkaline hydrolysis; iv. reducing the product of step (iii) with sodium bis(methoxyethoxy) aluminium hydride; v. acetylating the product of step (iv); and vi. reducing the product of step (v) with bis(sec-isoamyl)borane.
摘要:
New Insecticides comprising 1,1-bis(4-substituted phenyl)-2nitropropanes,-2-nitrobutanes and -2-methyl-2-nitropropanes wherein the 4-substituents of the phenyl radicals are nonidentical lower alkoxy groups, or identical or non-identical alkylthio groups, and such compounds wherein one of the 4substituents is replaced by a 3,4-methylene-dioxy group. These compounds are prepared by condensing the appropriate psubstituted-benzaldehyde with the appropriate nitro-alkane and reacting the carbinol product with the appropriately substituted benzene.
摘要:
The invention provides derivatives of 2,2-diphenyl-3,3dimethyloxetane in which the phenyl groups are substituted with alkoxy, alkylthio and/or methylenedioxy groups, which have insecticidal properties and the invention also provides insecticidal compositions thereof.
摘要:
New Insecticides comprising 1,1-bis(4-substituted phenyl)-2nitropropanes,-2-nitrobutanes and -2- methyl-2-nitropropanes wherein the 4-substituents of the phenyl radicals are nonidentical lower alkoxy groups, or identical or non-identical alkylthio groups, and such compounds wherein one of the 4substituents is replaced by a 3,4-methylene-dioxy group. These compounds are prepared by condensing the appropriate psubstituted-benzaldehyde with the appropriate nitro-alkane and reacting the carbinol product with the appropriately substituted benzene.
摘要:
NEW INSECTICIDES COMPRISING 1,1-BIS (P-ETHOXYPHENYL)2-NITROPROPANE; 1,1-BIS (P-ETHOXYPHENYL)-2-NITRO-N-BUTANE AND 1,1-BIS (P-ETHOXYPHENYL)-2-METHYL-2-NITROPROPANE. THESE COMPOUNDS ARE PREPARED BY CONDENSING P-ETHOXYBENZALDEHYDE WITH A COMPOUND HAVING THE FORMULA
R2-CH2-CH(-R1)-NO2
WHEREIN ONE OF THE GROUPS R1 AND R2 IS METHYL AND THE OTHER IS HYDROGEN OR METHYL, AND REACTING THE CARBINOL PRODUCT WITH PHENETOLE.