摘要:
The invention relates to a process for the production of allyl or methallyl phosphonic acid dialkyl esters by reacting allyl chloride or methallyl chloride with trialkyl phosphites at temperatures of from 80.degree. to 160.degree. C in the presence of a compound of avalent and/or monovalent nickel or in the presence of a compound of avalent, monovalent or divalent cobalt.
摘要:
Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl,R' is hydrogen, chlorine or fluorine, andR" and R'" are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R" and R'" can only be hydrogen,Which possess insecticidal properties.
摘要:
Combined recording and scanning device for facsimile transmission in which recording is effected by means of an electrode system which comprises strip-shaped conductors the facing ends of which define a gap and a bore which extend at right angles to the conductors and is formed in a subjacent transparent insulating sheet and beneath which a back-electrode is disposed at a small distance. The scanning member is an electro-optical receiver which is placed on the electrode gap in the direction of the bore axis.
摘要:
2',3,6'-Trichloro-4-cyano-4'-[N-(N'-o-substituted-benzoyl))-ureido]-diphenyl ethers of the formula ##STR1## in which R represents chlorine, fluorine, bromine or methyl, which possess insecticidal properties.
摘要:
Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##SPC1##In whichR.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
The invention relates to high molecular weight polycaprolactams containing monomeric units of the general formulae (I) and (II): ##EQU1## in which: M is an alkali metal; andR is an alkylene radical having from 4 to 12 carbon atoms or the radical, ##SPC1##Where M is as defined above,The polymer having a relative solution viscosity of from 1.1 to 3.5 (as measured on solutions of 1 g of polyamide in 100 ml of m-cresol at 25.degree.C) and containing sulphonate groups in a concentration range of from 40 to 2000 mval per kilogram of polymer.
摘要:
Halogenated 4-trifluoromethyl-4'-cyano-diphenyl-ether compounds of the formula ##SPC1##In whichR is hydrogen, halogen, alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms or alkylthio of from 1 to 4 carbon atoms,Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
4-Cyano-4'-[N-(N'-substituted-benzoyl)-ureido]-diphenyl ethers of the formula ##STR1## in which R.sup.1 represents halogen or alkyl,R.sup.2 represents chlorine, bromine or hydrogen,R.sup.3 represents bromine or hydrogen, andn represents 1, 2, 3, 4 or 5,which possess arthropodicidal properties.
摘要:
2',4-Dichloro-4'-benzoylureido-diphenyl ethers of the formula ##STR1## in which R is chlorine, fluorine, bromine or methyl, andR' is hydrogen or chlorine,Which possess insecticidal properties.