cas 73344-75-9, C-(3,4-DIMETHOXY-BICYCLO[4.2.0]OCTA-1(6),2,4-TRIEN-7-YL)-METHYLAMINE | Articles data ｜lookchem

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73344-75-9

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(1 S) - 4, 5 - dimethoxy - 1 - [(methylamino) methyl] benzocyclobutane preparation of hydrochloride salts of method
The invention provides a preparation method of (1S)-4,5-dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride, which specially comprises the following step: carrying out reduction and salting-out on 4,5-dimethoxybenzocyclobutyl-1-methyl formamide in an inert solvent to finally obtain the (1S)-4,5-dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride (I). The reaction is simple to operate, has the advantages of mild reaction conditions, clean and accessible raw/auxiliary materials, low overall cost, high chemical and enantiomer purity and the like, and therefore, is suitable for industrial production.
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Paragraph 0109; 0110; 0111

(2018/04/02)

PROCESS FOR THE SYNTHESIS OF (IS)-4,5-DIMETHOXY-1-(METHYLAMINOMETHYL)-BENZOCYCLOBUTANE AND ADDITION SALTS THEREOF, AND TO THE APPLICATION THEREOF IN THE SYNTHESIS OF IVABRADINE AND ADDITION SALTS THEREOF WITH A PHARMACEUTICALLY ACCEPTABLE ACID
Process for the synthesis of the compound of formula (I): Application in the synthesis of ivabradine, addition salts thereof with a pharmaceutically acceptable acid, and hydrates thereof.
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Page/Page column 3

(2008/06/13)

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3,4-dimethoxy-bicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile

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Chemical Properties

Boiling Point: 309oC
Flash Point:153oC
Density: 1.113
Solubility:DMSO (Slightly), Methanol (Slightly)
Storage Temp.:2-8°C
PSA: 44.48000
LogP: 2.00250

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