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1-Hydroxybenzotriazole → Phenylmethyl({4-[(bis{[1-({[2-(trimethylsilyl)ethyl]oxy}methyl)-1H-imidazol-2-yl]methyl}amino)carbonyl]phenyl}methyl)[4-({[(1,1-dimethylethyl)oxy]carbonyl}amino)butyl]carbamate

HRID 68626
Notes
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Reaction equation

HRID 68626 reaction equation
[CH2:1]([O:8][C:9]([N:11]([CH2:24][C:25]1[CH:33]=[CH:32][C:28]([C:29](O)=[O:30])=[CH:27][CH:26]=1)[CH2:12][CH2:13][CH2:14][CH2:15][NH:16][C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:34][Si:35]([CH3:62])([CH3:61])[CH2:36][CH2:37][O:38][CH2:39][N:40]1[CH:44]=[CH:43][N:42]=[C:41]1[CH2:45][NH:46][CH2:47][C:48]1[N:49]([CH2:53][O:54][CH2:55][CH2:56][Si:57]([CH3:60])([CH3:59])[CH3:58])[CH:50]=[CH:51][N:52]=1.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.C(N(C(C)C)CC)(C)C>ClCCl.O>[C:2]1([CH2:1][O:8][C:9](=[O:10])[N:11]([CH2:24][C:25]2[CH:26]=[CH:27][C:28]([C:29]([N:46]([CH2:47][C:48]3[N:49]([CH2:53][O:54][CH2:55][CH2:56][Si:57]([CH3:60])([CH3:59])[CH3:58])[CH:50]=[CH:51][N:52]=3)[CH2:45][C:41]3[N:40]([CH2:39][O:38][CH2:37][CH2:36][Si:35]([CH3:61])([CH3:62])[CH3:34])[CH:44]=[CH:43][N:42]=3)=[O:30])=[CH:32][CH:33]=2)[CH2:12][CH2:13][CH2:14][CH2:15][NH:16][C:17]([O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[O:18])[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 67162798N,N-bis[(1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl)methyl]amineHCID 671635874-[([(Benzyloxy)carbonyl]{4-[(tert-butoxycarbonyl)amino]butyl}amino)methyl]benzoic acid

Product 1

HCID 58300427Phenylmethyl({4-[(bis{[1-({[2-(trimethylsilyl)ethyl]oxy}methyl)-1H-imidazol-2-yl]methyl}amino)carbonyl]phenyl}methyl)[4-({[(1,1-dimethylethyl)oxy]carbonyl}amino)butyl]carbamateYield 85.8%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent

Procedure

To a solution of the compound 5 (137 mg) in dichloromethane (3 mL), the compound 2 (131 mg), 1-hydroxybenzotriazole (69 mg), 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide hydrochloride (86 mg) and diisopropylethylamine (105 μl) were added. The reaction mixture was stirred at room temperature for 5 hours. The reaction mixture was added by water and then extracted with dichloromethane. The extract was washed with saturated brine, dried over anhydrous sodium sulfate and then concentrated. The obtained residue was purified by silica gel column chromatography (hexane:ethyl acetate=100:0→0:100→dichloromethane:methanol=10:1) to obtain the title compound (225 mg) having the following physical properties.

Workup

  1. extractionextracted with dichloromethane
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated
  5. customThe obtained residue was purified by silica gel column chromatography (hexane:ethyl acetate=100:0→0:100→dichloromethane:methanol=10:1)

Sources & evidence

ORD record
ord-1ec4d05417fe4c6f986595b2977a9537
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08822459B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes