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Chloroform → (1S)-1,5-anhydro-2,3,4,6-tetra-O-benzyl-1-[5-[4-(2-aminoethyl)benzyl]-2-(benzyloxy)-4-methylphenyl]-D-glucitol

HRID 1009868
Notes
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Reaction equation

HRID 1009868 reaction equation
C(Cl)(Cl)Cl.[CH2:5]([O:12][C@@H:13]1[C@@H:18]([O:19][CH2:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[C@H:17]([O:27][CH2:28][C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[C@@H:16]([CH2:35][O:36][CH2:37][C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[O:15][C@H:14]1[C:44]1[CH:49]=[C:48]([CH2:50][C:51]2[CH:56]=[CH:55][C:54]([CH2:57][CH2:58][NH:59]C(C3C=CC=CC=3)(C3C=CC=CC=3)C3C=CC=CC=3)=[CH:53][CH:52]=2)[C:47]([CH3:79])=[CH:46][C:45]=1[O:80][CH2:81][C:82]1[CH:87]=[CH:86][CH:85]=[CH:84][CH:83]=1)[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1.FC(F)(F)C([O-])=O>C(O)C>[CH2:5]([O:12][C@@H:13]1[C@@H:18]([O:19][CH2:20][C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=2)[C@H:17]([O:27][CH2:28][C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[C@@H:16]([CH2:35][O:36][CH2:37][C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[O:15][C@H:14]1[C:44]1[CH:49]=[C:48]([CH2:50][C:51]2[CH:52]=[CH:53][C:54]([CH2:57][CH2:58][NH2:59])=[CH:55][CH:56]=2)[C:47]([CH3:79])=[CH:46][C:45]=1[O:80][CH2:81][C:82]1[CH:83]=[CH:84][CH:85]=[CH:86][CH:87]=1)[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6212ChloroformHCID 84468TrifluoroacetateHCID 86638440(1S)-1,5-anhydro-2,3,4,6-tetra-O-benzyl-1-[2-(benzyloxy)-4-methyl-5-[4-[2-(tritylamino)ethyl]benzyl]phenyl]-D-glucitol

Product 1

HCID 67303921(1S)-1,5-anhydro-2,3,4,6-tetra-O-benzyl-1-[5-[4-(2-aminoethyl)benzyl]-2-(benzyloxy)-4-methylphenyl]-D-glucitolYield 103.1%

Reagents, catalysts & solvents

1
HCID 702EthanolSolvent

Procedure

To a chloroform solution of (1S)-1,5-anhydro-2,3,4,6-tetra-O-benzyl-1-[2-(benzyloxy)-4-methyl-5-[4-[2-(tritylamino)ethyl]benzyl]phenyl]-D-glucitol (0.402 g, 0.336 mmol) was added at room temperature trifluoroacetate (0.5 mL), and the mixture was stirred for 3 hours at the same temperature. To the reaction solution was added ethanol and then the solvent was evaporated under reduced pressure. Thus obtained residue was purified with NH type silica gel column chromatography (hexane:ethyl acetate=4:6, chloroform:methanol=20:1) to obtain the title compound (0.296 g, quant.) as a colorless oily compound.

Workup

  1. customthe solvent was evaporated under reduced pressure
  2. customThus obtained residue was purified with NH type silica gel column chromatography (hexane:ethyl acetate=4:6, chloroform:methanol=20:1)

Sources & evidence

ORD record
ord-efedbf8244ce459eba960521bc053ea1
Source dataset
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07973012B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes