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1,3,5-triamino-2,4-dimethoxybenzene is an organic compound with the molecular formula C8H14N3O2. It is a derivative of benzene, featuring three amino groups (-NH2) at the 1, 3, and 5 positions, and two methoxy groups (-OCH3) at the 2 and 4 positions. 1,3,5-triamino-2,4-dimethoxybenzene is known for its potential applications in the synthesis of various pharmaceuticals, dyes, and other chemical products. Its unique structure allows for versatile chemical reactions, making it a valuable intermediate in organic chemistry. The compound is typically synthesized through various methods, such as the reaction of 1,3,5-tribromobenzene with methanol and ammonia, or through the reduction of nitro groups on a substituted benzene ring. Due to its reactivity and the presence of both electron-donating and electron-withdrawing groups, 1,3,5-triamino-2,4-dimethoxybenzene can participate in a range of chemical transformations, including electrophilic and nucleophilic substitutions, making it a versatile building block in the chemical industry.

1756-88-3

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1756-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1756-88-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,5 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1756-88:
(6*1)+(5*7)+(4*5)+(3*6)+(2*8)+(1*8)=103
103 % 10 = 3
So 1756-88-3 is a valid CAS Registry Number.

1756-88-3Relevant academic research and scientific papers

An Unusual O-Methylation in the Allan-Robinson Synthesis of Purpurascenin, a 3,5,6,7,8,2',4',5'-Octamethoxyflavone

Patwardhan, Sarita A.,Gupta, Amrit S.

, p. 3786 - 3795 (2007/10/02)

In the Allan-Robinson synthesis of 3,5,6,7,8,2',4',5'-octamethoxyflavone (Purpurascenin, I), from 2,4,6-trihydroxy-3,5,ω-trimethoxyacetophenone (IV) and asarylic anhydride, the expected intermediate, 5,7-dihydroxy-3,6,8,2',4',5'-hexamethoxyflavone (III) unusually gets further methylated to give 5-hydroxy-3,6,7,8,2',4',5'-heptamethoxyflavone (II) during the course of reaction.The possible mechanism of methylation is discussed.

Synthesis of Araneol and Araneosol, the Flavonoids of Anaphalis araneosa DC

Dutta, Pradeep K.,Bagchi, Debasis,Pakrashi, Satyesh C.

, p. 1037 - 1038 (2007/10/02)

Araneol (5,7-dihydroxy-3,6,8-trimethoxyflavone, I) and araneosol (5,7-dihydroxy-3,6,8,4'-tetramethoxyflavone, II) have been synthesised by Hoesch condensation of 1,3,5-trihydroxy-2,4-dimethoxybenzene (III) with methoxyacetonitrile, followed by Allan-Robin

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