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Ethyl isocyanate → 3-{[(3-[(tert-Butoxycarbonyl)amino]-2-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]benzyl}propanoyl)(cyclopropyl)amino]methyl}-5-(3-methoxypropyl)phenyl ethylcarbamate

HRID 561887
Notes
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Reaction equation

HRID 561887 reaction equation
C1([C:4]2([N:7]([CH2:40][C:41]3[CH:46]=[C:45]([CH2:47][CH2:48][CH2:49][O:50][CH3:51])[CH:44]=[C:43]([OH:52])[CH:42]=3)[C:8](=[O:39])[CH:9]([CH2:19][C:20]3[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][O:29][C:30]4[C:35]([Cl:36])=[CH:34][C:33]([CH3:37])=[CH:32][C:31]=4[Cl:38])=[CH:22][CH:21]=3)[CH2:10][NH:11][C:12](=[O:18])[O:13][C:14]([CH3:17])([CH3:16])[CH3:15])[CH2:6][CH2:5]2)CC1.[CH2:53]([N:55]=[C:56]=[O:57])[CH3:54].C(N(CC)CC)C>ClCCl.CN(C1C=CN=CC=1)C>[CH2:53]([NH:55][C:56](=[O:57])[O:52][C:43]1[CH:44]=[C:45]([CH2:47][CH2:48][CH2:49][O:50][CH3:51])[CH:46]=[C:41]([CH2:40][N:7]([C:8](=[O:39])[CH:9]([CH2:19][C:20]2[CH:21]=[CH:22][C:23]([O:26][CH2:27][CH2:28][O:29][C:30]3[C:31]([Cl:38])=[CH:32][C:33]([CH3:37])=[CH:34][C:35]=3[Cl:36])=[CH:24][CH:25]=2)[CH2:10][NH:11][C:12]([O:13][C:14]([CH3:17])([CH3:15])[CH3:16])=[O:18])[CH:4]2[CH2:6][CH2:5]2)[CH:42]=1)[CH3:54]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8022Ethyl isocyanateHCID 8471TriethylamineHCID 86635933tert-Butyl (3-{cyclopropyl[3-hydroxy-5-(3-methoxypropyl)benzyl](cyclopropyl)amino}-2-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]benzyl}-3-oxopropyl)carbamate

Product 1

HCID 667613853-{[(3-[(tert-Butoxycarbonyl)amino]-2-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]benzyl}propanoyl)(cyclopropyl)amino]methyl}-5-(3-methoxypropyl)phenyl ethylcarbamate

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolvent

Procedure

To a solution of tert-butyl (3-{cyclopropyl[3-hydroxy-5-(3-methoxypropyl)benzyl] (cyclopropyl)amino}-2-{4-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]benzyl}-3-oxopropyl)carbamate from Example 70, Step 2 (1 eq.) in dichloromethane (0.08 M) was added ethyl isocyanate (3 eq.), triethylamine (3 eq.) and a few crystals of DMAP. The resulting solution was stirred at RT for 1.5 h. The reaction mixture was concentrated in vacuo and directly subjected to purification by way of column chromatography (SiO2, 3:2 (v/v) Hex:EtOAc→2:3 (v/v) Hex:EtOAc). The title compound was isolated as a colorless oil.

Workup

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. customdirectly subjected to purification by way of column chromatography (SiO2, 3:2 (v/v)

Sources & evidence

ORD record
ord-7cdbdf95cd7448738a89c54c224ea97b
Source dataset
uspto-grants-2011_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08063105B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes