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(5R)-5-(2,2-Dimethyl-4H-1,3-benzodioxin-6-yl)-3-{6-[2-{(3-nitrophenyl)-methoxy}ethoxy]hexyl}-1,3-oxazolidin-2-one → (5R)-3-{6-[2-{[(3-aminophenyl)methyl]oxy}ethoxy]hexyl}-5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-1,3-oxazolidin-2-one

HRID 503062
Notes
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Reaction equation

HRID 503062 reaction equation
[CH3:1][C:2]1([CH3:38])[O:7][C:6]2[CH:8]=[CH:9][C:10]([C@H:12]3[O:16][C:15](=[O:17])[N:14]([CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][O:24][CH2:25][CH2:26][O:27][CH2:28][C:29]4[CH:34]=[CH:33][CH:32]=[C:31]([N+:35]([O-])=O)[CH:30]=4)[CH2:13]3)=[CH:11][C:5]=2[CH2:4][O:3]1>CCOC(C)=O.CCO.[Pt]=O>[NH2:35][C:31]1[CH:30]=[C:29]([CH2:28][O:27][CH2:26][CH2:25][O:24][CH2:23][CH2:22][CH2:21][CH2:20][CH2:19][CH2:18][N:14]2[CH2:13][C@@H:12]([C:10]3[CH:9]=[CH:8][C:6]4[O:7][C:2]([CH3:1])([CH3:38])[O:3][CH2:4][C:5]=4[CH:11]=3)[O:16][C:15]2=[O:17])[CH:34]=[CH:33][CH:32]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 1

HCID 46833387(5R)-5-(2,2-Dimethyl-4H-1,3-benzodioxin-6-yl)-3-{6-[2-{(3-nitrophenyl)-methoxy}ethoxy]hexyl}-1,3-oxazolidin-2-one

Product 1

HCID 46833388(5R)-3-{6-[2-{[(3-aminophenyl)methyl]oxy}ethoxy]hexyl}-5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-1,3-oxazolidin-2-oneYield 107.1%

Reagents, catalysts & solvents 3

HCID 82844Platinum oxide (PtO)CatalystHCID 702EthanolSolvent
HCID 8857
Ethyl Acetate
Solvent

Procedure

A solution of (5R)-5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-3-{6-[2-{(3-nitro-phenyl)methoxy}ethoxy]hexyl}-1,3-oxazolidin-2-one (9.50 g) in EtOAc (120 ml) and EtOH (120 ml) was hydrogentated over platinum oxide (0.20 g) for 1.75 h. The mixture was filtered through celite and washed with EtOH. Solvent evaporation in vacuo gave the title compound (9.60 g). LCMS RT=3.25 min, ES+ve 499 (MH)+.

Workup

  1. filtrationThe mixture was filtered through celite
  2. washwashed with EtOH
  3. customSolvent evaporation in vacuo

Sources & evidence

ORD record
ord-bc3e810eb18d4cadaba2ef844e5759b0
Source dataset
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07776895B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes