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Well-designed Popso Sesquisodium - 4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE Cas: 459-64-3 99% – XD BIOCHEM

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Well-designed Popso Sesquisodium - 4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE Cas: 459-64-3 99% – XD BIOCHEM Detail:

Catalog Number XD90233
Product Name 4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE

CAS

459-64-3

Molecular Formula

C7H7BF4N2O

Molecular Weight

221.948
Storage Details 0-10°C

Harmonized Tariff Code

2927000090

 

Product Specification

Appearance Solid
Assay 99%

 

The reaction of 3-phenylaminocyclopent-2-en-1-one with 4-methyl, 4-methoxy and 4-chlorobenzenediazonium tetrafluoroborates was used to prepare the azo coupling products 3a-c. It was found that these compounds are present in both CDCl(3) solution and solid phase practically exclusively as (E)-3-phenylamino-2-(4-subst.phenyldiazenyl)cyclopent-2-en-1-ones with N–H…N intramolecular hydrogen bond. The substitution of the phenyl residue of the diazonium salt has no effect on the position of the tautomeric equilibrium. On the other hand, the compounds 4a, b formed by the reaction of 3-phenylamino-1H-inden-1-one with 4-methylbenzene- or benzenediazonium tetrafluoroborates exist in CDCl(3) solution and in solid phase as hydrazone compounds. In the solution they occur as a mixture of three forms, out of which two were identified as E/Z isomers with different types of hydrogen bonds. Compound 5 formed by the reaction of 3-amino-5,5-dimethylcyclohex-2-en-1-one with 4-methoxybenzenediazonium tet rafluoroborate is converted into a stable hydrochloride 5.HCl on standing in CHCl(3) solution; this product exhibits a high degree of delocalization of the positive charge. Its structure was studied by means of X-ray.


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  • High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Gemma from Iran - 2017.08.16 13:39
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Beulah from Norway - 2017.09.26 12:12
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    Well-designed Popso Sesquisodium - 4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE Cas: 459-64-3 99% – XD BIOCHEM