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JPS5724340B2 |
A process for preparing hydrazodicarbonamide directly from a ketazine and urea in water without any acid catalyst according to the following reaction is disclosed. RR ANGLE C=N-N=C ANGLE + 2 H2N-CO-NH2 + 2 H2O RR -> H2N-CO-NHNH-CO-NH2 + ...
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JPS5714341B2 |
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JPS5731649A |
PURPOSE: To prepare the titled compound useful as an intermediate of pharmaceuticals, in high yield and purity, remarkably suppressing the side reactions, by reacting an aldehyde with a hydrazine in an aqueous medium maintaining the pH o...
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JPS5732258A |
PURPOSE: To prepare the titled compound having excellent herbicidal activity even to perennial weeds, high selectivity, and sufficient residual activity, in one step, and in high yield, by reacting a dinitrodiphenyl ether compound with a...
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JPS5728039A |
PURPOSE: To prepare the titled compound having excellent herbicidal activity, high selectivity, and sufficiently high residual activity, and useful as a herbicide for paddy rice field and plowed field, by reacting a hydrazinodiphenyl eth...
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JPS57307B2 |
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JPS5654285B2 |
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JPS56125353A |
A method of regulating the growth of plants, including combating unwanted vegetation, comprises applying to the plants, either on seed, the soil or directly on the plants an effective amount of a compound having the general structural fo...
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JPS56118057A |
A compound of formula (II) or a pharmaceutically acceptable acid addition salt thereofwherein R1, R2, R3 and R4 are the same or different and each represents C1-6 alkyl; R5 represents hydrogen or C1-6 alkyl; R6 represents C1-6 alkyl, phe...
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JPS5547034B1 |
1375707 Hydrazone compounds MINNESOTA MINING & MFG CO 15 Nov 1971 [16 Nov 1970] 20626/74 Divided out of 1375706 Heading C2C The invention comprises hydrazone compounds of the Formula I in which X is a halogen atom and R is an alkyl or ha...
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JPS5546389B2 |
The invention relates to compounds of the general formula: R' ¦ N-R4 N ANGLE R5 ¦ ¦N-N ANGLE R3¦ R3''R6 I in which one double bond is present between the carbon atom of the guanidine moiety and one of the adjacent nitrogen atoms and ...
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JPS5539823B2 |
1411373 Arylazocarbonamides MINNESOTA MINING & MFG CO 4 Oct 1972 [8 Oct 1971] 47056/71 Heading C2C [Also in Division G2] The invention comprises compounds of the formula [Ar-N = N-CO-N(R1)R2]X where R1 represents a grouping containing at...
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JPS5533413B2 |
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JPS5529067B2 |
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JPS5564557A |
NEW MATERIAL:A compound of formula I [A and B are halogen, lower alkyl, etc.; m+n is 0W3; R is a group of formula II (R1 is H, alkyl, lower alkenyl, etc.; R2 and R3 are H, alkyl, lower alkenyl, etc.), a group of formula III (R4 and R5 ar...
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JPS5557553A |
PURPOSE: To prepare the title compound useful as an intermediate of an acid amide derivative useful as medicines, pesticides, etc., directly, by reacting a nitrourea derivative with an azine which is a low-cost raw material of hydrazine ...
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JPS5510621B2 |
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JPS5520778A |
Compounds of the general formula: in which R represents an alkyl, allyl, propargyl or benzyl group, which groups may be substituted, R<1> and R<2> independently represent a hydrogen atom or an alkyl, aryl or vinyl group, which groups may...
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JPS54154737A |
NEW MATERIAL:A 1-cyclohexene-1,2-dicarboxylic acid diamide of formula I: [R1 is H or F, R2 is halogen, formula II (R5 and R6 are H or methyl groups; R7 is H, halogen, or lower alkyl group); R3 and R4 are H, lower alkyl, alkenyl, cycloalk...
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JPS54128523A |
NEW MATERIAL:3-Guanidinoamino propionic acid of formula. USE: β-Aminoacid, fungicide, insecticide, intermediate of pesticide, dyestuff, medicine, etc. PROCESS: 3-Guanidinoamino propionic acid of the formula is prepared by reacting amino...
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JPS54115330A |
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JPS5425084B2 |
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JPS5466637A |
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JPS548670B2 |
Insecticidal use of compounds of the formula WHEREIN R is a moiety selected from the group consisting of 3,4-dichloro and para-positioned substituents selected from the group consisting of hydrogen, chlorine, alkyl of 1 to 4 carbon atoms...
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JPS544938B2 |
This invention relates to a method for preparing hydrazodicarbonamide (I) which comprises reacting urea, sulfuric acid, water and an azine or a solution containing an azine of the formula (II) wherein R1 is hydrogen and R2 or R1 and R2 e...
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JPS5422340A |
A composition containing at least one compound of the formula (I) in which R is alkyl, alkenyl, alkinyl, halogenoalkyl or alkoxyalkyl, R1 is alkoxyalkyl or dialkoxyalkyl, R2 is alkyl or alkoxy, and x is oxygen or sulfur and n is 0, 1, 2 ...
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JPS5414923A |
PURPOSE: N', N'-Dicyanoaralkylidene or alkylidene-amino-guanidine of formula I: (R1 is H, lower alkyl, or phenyl group; R2 is lower alkyl or phenyl group; R1 and R2 may form a pentamethylene chain together).
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JPS5398926A |
PURPOSE: To prepare highly pure azodicarbonamides in high yield by oxidation of hydrazodicarbonamide with an oxidizing agent of chlorate in the presence of a specific catalyst, bromine cpd. and mineral acid.
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JPS5324934B2 |
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JPS5324411B1 |
1,256,723. Antiprotozoal compositions. AMERICAN CYANAMID CO. 23 June, 1969 [1 July, 1968], No. 31664/69. Heading A5B. [Also in Division C2] Antiprotozoal compositions comprise as active ingredient a compound of formula I: (in which each ...
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JPS5324412B1 |
1,256,723. Antiprotozoal compositions. AMERICAN CYANAMID CO. 23 June, 1969 [1 July, 1968], No. 31664/69. Heading A5B. [Also in Division C2] Antiprotozoal compositions comprise as active ingredient a compound of formula I: (in which each ...
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JPS5323290B2 |
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JPS5320975B2 |
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JPS5320014B2 |
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JPS5317567B1 |
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JPS5363315A |
PURPOSE: To prepare hydrozodicarbonamides economically in high yield without causing problems of evironmental pollution by reaction of axine and/or hydrazone with urea in the presence of soluble salts while removing ketone and ammonia ('...
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JPS5356619A |
PURPOSE: To prepare hydrazodicarbonamide with improved yield, improved reaction rate and decreased heat loss by the reaction of hydrazine with urea while removing the by-product ammonia by bubbling stream and an inert gas into the reacti...
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JPS5350127A |
New guanylhydrazones of phenoxyacetic acid. These guanylhydrazones, also their physiologically acceptable salts, are characterized by the following general formula I in which R1, R2, R3, R4, R5, R and R' have the meanings which are herei...
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JPS5321119A |
PURPOSE: The title compound with low 1% weight-loss temperature, as measured in a thermobalance, is obtained in high purity and yield by oxidizing hydrazocarbonamide having an average particle diameter of less than 100μ with chlorine in...
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JPS533363B1 |
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JPS539751A |
There are provided certain substituted-1,2,3,4-tetrahydro-4-imino-1-naphthylureas, methods of preparation thereof, and methods of use of said naphthylureas for enhancing feed efficiency and for promoting the growth rate of veterinary hom...
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JPS5250772B2 |
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JPS5249465B2 |
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JPS52133924A |
PURPOSE: To prepare highly pure title compounds in high yield by the oxidation of hydrazodicarboxylic acid with H2 O2 of relatively low concentration in the presence of mineral acid and a catalyst having synergistic catalytic action cont...
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JPS5241250B2 |
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JPS52118452A |
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JPS5227142B2 |
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JPS5285131A |
Preparation of compounds which are reacted with an aldehyde of the formula r-cho (r has the meaning given above) with a salt of the hydrazine derivative h2n-nh-r ", in particular with the aminoguanidine sulphate or with the hydrobromide ...
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JPS5285132A |
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JPS5239627A |
The invention relates to monomethylol ether diols corresponding to the formula in which R represents a straight-chain or branched alkylene radical having up to 12 carbon atoms, and R' represents an alkyl radical.
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