The important role of tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Quality Control of: tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate. In my other articles, you can also check out more blogs about 951127-25-6

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 951127-25-6, Name is tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate, molecular formula is C16H19F2NO4. In a Patent，once mentioned of 951127-25-6, Quality Control of: tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate

The invention discloses a austria Geleg sandbank and intermediate preparation method. The invention provides a method for preparing intermediate austria Geleg sandbank I, comprises the following steps: polar aprotic organic solvent, Lewis acid and acetic acid the presence of sodium borohydride, the compound II condensation reaction with compound III, I austria Geleg sandbank intermediate is obtained. Preparation method of this invention simple and safe operation, without special purification equipment, short reaction time, few by-products, high yield simple post treatment operation, avoids the post processing in the course of the operation of the column chromatography separation, product made has high purity, optical purity greater than 99.9%; the related substance purity greater than 98.5%, all impurity is less than 0.5%, the production cost is low, and is suitable for industrial production. And adopt this invention obtained by the preparation method of the preparation of the intermediates I austria Geleg sandbankaustria Geleg sandbank, the purity is greater than 99.5%, all impurity is less than 0.1%, reach the bulk drug standards. (by machine translation)

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Quality Control of: tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate. In my other articles, you can also check out more blogs about 951127-25-6

Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics