benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

Base Information

Chemical Name:benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate
CAS No.:222843-57-4
Molecular Formula:C₃₇H₃₅F₂NO₆
Molecular Weight:627.685
Hs Code.:

Synonyms:benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

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Chemical Property of benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

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Technology Process of benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

There total 3 articles about benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 56.0%

: 100516-54-9,335159-14-3
(5S,6R)-4-(benzyloxycarbonyl)-5,6-diphenyl-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one

: 127152-63-0
1,1-dimethylethyl 2-(4-bromomethylphenyl)-2,2-difluoroacetate

: 222843-57-4
benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

Guidance literature:: With lithium hexamethyldisilazane; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; 1.) -78 deg C, 30 min, 2.) -78 deg C, 2 h; room temperature, 1 h;
DOI:10.1016/S0040-4020(99)00076-9

Reference yield:

: 131323-07-4
1,1-dimethylethyl 2-(4-methylphenyl)-2,2-difluoroacetate

: 222843-57-4
benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: NBS, (PhCOO)2O / CCl₄

2: 56 percent / LiHMDS / tetrahydrofuran; hexamethylphosphoric acid triamide / 1.) -78 deg C, 30 min, 2.) -78 deg C, 2 h; room temperature, 1 h

With N-Bromosuccinimide; (PhCOO)2O; lithium hexamethyldisilazane; In tetrahydrofuran; tetrachloromethane; N,N,N,N,N,N-hexamethylphosphoric triamide;
DOI:10.1016/S0040-4020(99)00076-9

Reference yield:

: 75716-86-8
α-(4-methylphenyl)-α-oxoacetic acid tert-butyl ester

: 222843-57-4
benzyl (2R,3S)-3-<4-(tert-butoxycarbonyl-difluoro-methyl)phenyl>-2-oxo-5,6-diphenyl-morpholine-4-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 61 percent / diethylaminosulfur trifluoride / Ambient temperature

2: NBS, (PhCOO)2O / CCl₄

3: 56 percent / LiHMDS / tetrahydrofuran; hexamethylphosphoric acid triamide / 1.) -78 deg C, 30 min, 2.) -78 deg C, 2 h; room temperature, 1 h

With N-Bromosuccinimide; diethylamino-sulfur trifluoride; (PhCOO)2O; lithium hexamethyldisilazane; In tetrahydrofuran; tetrachloromethane; N,N,N,N,N,N-hexamethylphosphoric triamide;
DOI:10.1016/S0040-4020(99)00076-9