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JPS51125028A |
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JPS5138681B2 |
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JPS5133521B2 |
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JPS5128602B2 |
This invention relates to a method of preparing hydrazones of the formula R1R3 ANGLE N-N=C ANGLE (I) R2R4 in which R1 and R2, which may be identical or different, represent a linear alkyl radical of from 1 to 12 carbon atoms, a branched ...
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JPS5127642B2 |
This invention relates to a method for preparing an azine of the formula R1R1 ANGLE C=N-N=C ANGLE (I) R2R2 wherein R1 and R2, which may be the same or different, represent a hydrogen atom or a straight alkyl radical of from 1 to 12 carbo...
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JPS5176204A |
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JPS5114499B1 |
In nitrating an aromatic compound having at least one of ortho-para orientation substituents, a process which is characterized in that nitration is carried out in the presence of an aromatic sulfonic acid supported on a solid carrier in ...
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JPS5022521B1 |
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JPS5040502A |
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JPS5012002A |
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JPS49133338A |
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JPS49124004A |
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JPS49108001A |
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JPS4986333A |
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JPS4924441B1 |
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JPS4919244B1 |
Acylation of nitrogen containing compounds utilizing esters as acylation agents in the presence of salts of substituted pyridine compounds.
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JPS4948602A |
1368417 Nitration process BOERINGER MANNHEIM GmbH 24 May 1973 [30 May 1972] 24859/73 Heading C2C [Also in Division B1] A process for the continuous nitration of organic substances comprises applying the substance to be nitrated and a nit...
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JPS4831086B1 |
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JPS4862701A |
1361555 Amines AMERICAN CYANAMID CO 22 Sept 1972 [29 Nov 1971] 44048/72 Heading C2C Aromatic or heterocyclic amines are prepared by reacting an aromatic or heterocyclic acid having carboxyl attached to a ring atom or an ester or anhydrid...
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JPS4861405A |
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JPS4856614A |
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JPS4823401B1 |
1284686 Treating styrene/divinyl benzene polymers SANKYO CO Ltd 19 Nov 1970 [19 Nov 1969] 55089/70 Heading C3P [Also in Division C2] In Example 4 a styrene/divinyl benzene copolymer (2% DVB) containing chloromethyl groups is reacted with...
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JPS4823041B1 |
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JPS4823042B1 |
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JPS4823043B1 |
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JPS4820522B1 |
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JPS4817254B1 |
1,206,783. Preparation of α,#-disubstituted alkanes. TECHNI-CHEM CO. 3 Oct., 1967 [10 Oct., 1966; 2 Feb., 1967; 29 May, 1967; 15 Aug., 1967], No. 45033/67. Heading C2C. Compounds of the formula wherein X is an electronegative group sele...
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JPS4816881B1 |
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