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Palmitoyl chloride → (R)-tert-butyl 3-((R)-2,3-bis(decylcarbamoyloxy)propylthio)-2-palmitamidopropanoate

HRID 2205063
Notes
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Reaction equation

HRID 2205063 reaction equation
[NH2:1][C@@H:2]([CH2:10][S:11][CH2:12][C@H:13]([O:29][C:30](=[O:42])[NH:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][CH2:37][CH2:38][CH2:39][CH2:40][CH3:41])[CH2:14][O:15][C:16](=[O:28])[NH:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])[C:3]([O:5][C:6]([CH3:9])([CH3:8])[CH3:7])=[O:4].CCN(C(C)C)C(C)C.[C:52](Cl)(=[O:68])[CH2:53][CH2:54][CH2:55][CH2:56][CH2:57][CH2:58][CH2:59][CH2:60][CH2:61][CH2:62][CH2:63][CH2:64][CH2:65][CH2:66][CH3:67]>C(Cl)Cl>[CH2:32]([NH:31][C:30]([O:29][C@H:13]([CH2:14][O:15][C:16](=[O:28])[NH:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])[CH2:12][S:11][CH2:10][C@H:2]([NH:1][C:52](=[O:68])[CH2:53][CH2:54][CH2:55][CH2:56][CH2:57][CH2:58][CH2:59][CH2:60][CH2:61][CH2:62][CH2:63][CH2:64][CH2:65][CH2:66][CH3:67])[C:3]([O:5][C:6]([CH3:7])([CH3:8])[CH3:9])=[O:4])=[O:42])[CH2:33][CH2:34][CH2:35][CH2:36][CH2:37][CH2:38][CH2:39][CH2:40][CH3:41]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8206Palmitoyl chlorideHCID 81531DiisopropylethylamineHCID 86678326(R)-tert-butyl 2-amino-3-((R)-2,3-bis(decylcarbamoyloxy)propylthio)propanoate

Product 1

HCID 86678327(R)-tert-butyl 3-((R)-2,3-bis(decylcarbamoyloxy)propylthio)-2-palmitamidopropanoate

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a solution of (R)-tert-butyl 2-amino-3-((R)-2,3-bis(decylcarbamoyloxy)propylthio)propanoate in dry DCM (0.1 M) at 0° C. was added DIEA (1.2 eq) and palmitoyl chloride (1.1 eq). The reaction was allowed to warm to room temperature then stirred for 16 hours. The crude reaction was then concentrated and purified by flash chromatography on a COMBIFLASH® system (ISCO) using a gradient 0-60% EtOAc/Hex to afford the title compound as a white solid.

Workup

  1. customThe crude reaction
  2. concentrationwas then concentrated
  3. custompurified by flash chromatography on a COMBIFLASH® system (ISCO)

Sources & evidence

ORD record
ord-f61b9a51991d444ab9d1fb5f590e045d
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09365506B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes