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N-(4-Acetamino-benzolsulfonyl)-N'-(toluol-4-sulfonyl)-hydrazin is a complex organic compound with the chemical formula C15H16N4O5S2. It is a derivative of hydrazine, featuring two sulfonyl groups attached to the nitrogen atoms, one being a 4-acetamidobenzenesulfonyl group and the other a toluenesulfonyl group. N-(4-Acetamino-benzolsulfonyl)-N'-(toluol-4-sulfonyl)-hydrazin is known for its potential applications in chemical research and synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. Its structure provides a basis for understanding its reactivity and potential interactions with other molecules, making it a valuable component in the development of new chemical entities.

2158-34-1

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2158-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2158-34-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2158-34:
(6*2)+(5*1)+(4*5)+(3*8)+(2*3)+(1*4)=71
71 % 10 = 1
So 2158-34-1 is a valid CAS Registry Number.

2158-34-1Downstream Products

2158-34-1Relevant academic research and scientific papers

SALICYLIC ACID SULFONYL DERIVATIVES AND RELATED COMPOUNDS

Cremlyn, Richard,Swinbourne, Frederick,Plant, Stephen,Saunders, David,Sinderson, Colin

, p. 323 - 332 (2007/10/02)

Salicylic acid-5-sulfonohydrazide (3) has been condensed with β-dicarbonyl compounds to form pyrazoles (5).With ethyl acetoacetate, tri- and hexafluoropentane-2,4-dione the hydrazones (4) were obtained; although the former did cyclise in the presence of potassium carbonate-magnesium sulfate.With hexane-2,5-dione the pyrrole (7) was formed and not the pyridazine (8).Acylation of salicylic acid-5- and p-acetamidobenzene-sulfonohydrazides was examined; mono-acetates, benzoates and p-toluenesulfonates and diacetates are described, but other pure diacyl derivatives could not be i solated.Reaction with succinic and maleic anhydrides gave the corresponding amic acids (9, 10), and their cyclisation to pyridazines (11) was examined; only the maleamic acid (10) was converted to the pyridazine (11).Maleic hydrazide (14) by condensation with p-acetamido-benzenesulfonyl chloride gave the O-sulfonyl pyridazine (15). 5-Chlorosalicylic acid-3-sulfonohydrazide (18) was prepared and characterized as the acetone and cyclohexanone hydrazones (19); but attempts to make aromatic hydrazones gave the azines (20). 5-Chlorosalicylic acid-3-sulfonyl azide (21) reacted with norbornene and triphenylphosphine to give the aziridine (22) and the phosphinimine (23).

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