926319-48-4Relevant articles and documents
Preparation method of olodaterol and salts thereof
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Paragraph 0037-0054, (2021/04/03)
The invention relates to a preparation method of olodaterol and salts thereof, which comprises the following steps: in a solvent, carrying out oxidation and nucleophilic addition reaction on a compound shown in a formula I to obtain a compound shown in a
IMPROVED PROCESS FOR THE MANUFACTURE OF R-6-HYDROXY-8-[1-HYDROXY-2-[2-(4-METHOXYPHENYL)-1,1-DIMETHYLETHYLAMINOETHYL]-2H-1,4-BENZOXAZIN-3(4H)-ONE HYDROCHLORIDE
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, (2018/07/29)
The present invention provides an improved process for the manufacture (R)-6- hydroxy-8-[1-hydroxy-2-[2-(4-methoxyphenyl)-1,1-dimethyl-ethylamino-ethyl]-2H-1,4- benzoxazin-3(4H)-one, in high purity and high yield, through the use of 1,1-dimethyl-2- (4-met