(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

Base Information

Chemical Name:(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one
CAS No.:227286-91-1
Molecular Formula:C₂₃H₂₅NO₆
Molecular Weight:411.455
Hs Code.:

Synonyms:(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

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Chemical Property of (3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

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Technology Process of (3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

There total 1 articles about (3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one 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: 82.0%

: 2606-51-1
3,4-Methylenedioxybenzyl bromide

: 119878-90-9,220077-24-7
(5R)-4-(tert-butyloxycarbonyl)-5-phenyl-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one

: 227286-91-1
(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

Guidance literature:: With sodium hexamethyldisilazane; In tetrahydrofuran; 1,2-dimethoxyethane; at -78 ℃; for 2.5h;
DOI:10.1016/S0040-4020(99)00133-7

Reference yield:

: 227286-91-1
(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

: 227286-97-7
(R)-2--3-<2-bromo-4,5-(methylenedioxy)phenyl>propanoic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) aq. HCl, 2.) TFA, hydrogen / 2.) Pd(OH)2 / 1.) MeOH, reflux, 20 h, 2.) MeOH, H₂O, 1 atm, 20 h

2: 1.) TMSCl, 2.) Ei₃N, Pb(NO₃)2 / 1.) CH₂Cl₂, reflux, 2 h, 2.) room temperature, 2 d

3: 92 percent / benzyltrimethylammonium tribromide / CH₂Cl₂; methanol / 1 h / Ambient temperature

With hydrogenchloride; chloro-trimethyl-silane; lead(II) nitrate; benzyltrimethylammonium tribromide; hydrogen; trifluoroacetic acid; palladium dihydroxide; In methanol; dichloromethane;
DOI:10.1016/S0040-4020(99)00133-7

Reference yield:

: 227286-91-1
(3R,5R)-2,3,5,6-tetrahydro-5-phenyl-3-<<3,4-(methylenedioxy)phenyl>methyl>-N-(tert-butyloxycarbonyl)-4H-1,4-oxazin-2-one

: (R)-2--3-<3,4-(methylenedioxy)phenyl>propionic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) aq. HCl, 2.) TFA, hydrogen / 2.) Pd(OH)2 / 1.) MeOH, reflux, 20 h, 2.) MeOH, H₂O, 1 atm, 20 h

2: 1.) TMSCl, 2.) Ei₃N, Pb(NO₃)2 / 1.) CH₂Cl₂, reflux, 2 h, 2.) room temperature, 2 d

With hydrogenchloride; chloro-trimethyl-silane; lead(II) nitrate; hydrogen; trifluoroacetic acid; palladium dihydroxide;
DOI:10.1016/S0040-4020(99)00133-7