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ChemicalBook CAS DataBase List R428
1037624-75-1

R428 synthesis

9synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 7 steps
1.1: sodium methylate
2.1: potassium hydroxide / ethanol / 85 °C
3.1: nitric acid; sulfuric acid / nitromethane
4.1: acetic acid; sodium tris(acetoxy)borohydride / 1,2-dichloro-ethane
5.1: hydrogen; palladium on activated charcoal / methanol
6.1: Resolution of racemate
6.2: Alkaline conditions
7.1: isopropyl alcohol

References:

Gras [Drugs of the Future,2018,vol. 43,# 9,p. 645 - 653]

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