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Ethylmorpholine → methyl (R)-{2-[N-{1-[(2,6-dimethoxy-4-methylphenyl)pentylcarbamoyl]-5-(cinnamoylamino)pentyl}carbamoyl]indol-1-yl}acetate

HRID 2928
Notes
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Reaction equation

HRID 2928 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[C:7]([CH3:9])[CH:6]=[C:5]([O:10][CH3:11])[C:4]=1[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][NH:17][C:18]([C@H:20]([NH:26][C:27]([C:29]1[N:30]([CH2:38][C:39]([O:41][CH3:42])=[O:40])[C:31]2[C:36]([CH:37]=1)=[CH:35][CH:34]=[CH:33][CH:32]=2)=[O:28])[CH2:21][CH2:22][CH2:23][CH2:24][NH2:25])=[O:19].F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.[C:70](O)(=[O:79])[CH:71]=[CH:72][C:73]1[CH:78]=[CH:77][CH:76]=[CH:75][CH:74]=1.C(N1CCOCC1)C>C(OCC)(=O)C.O.CN(C)C=O>[CH3:11][O:10][C:5]1[CH:6]=[C:7]([CH3:9])[CH:8]=[C:3]([O:2][CH3:1])[C:4]=1[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][NH:17][C:18]([C@H:20]([NH:26][C:27]([C:29]1[N:30]([CH2:38][C:39]([O:41][CH3:42])=[O:40])[C:31]2[C:36]([CH:37]=1)=[CH:35][CH:34]=[CH:33][CH:32]=2)=[O:28])[CH2:21][CH2:22][CH2:23][CH2:24][NH:25][C:70](=[O:79])[CH:71]=[CH:72][C:73]1[CH:78]=[CH:77][CH:76]=[CH:75][CH:74]=1)=[O:19]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 7525EthylmorpholineHCID 87842-Propenoic acid, 3-phenyl-HCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 86752317methyl (R)-{2-[N-{1-[(2,6-dimethoxy-4-methylphenyl)pentylcarbamoyl]-5-aminopentyl}carbamoyl]indol-1-yl}acetate

Product 1

HCID 86752319
methyl (R)-{2-[N-{1-[(2,6-dimethoxy-4-methylphenyl)pentylcarbamoyl]-5-(cinnamoylamino)pentyl}carbamoyl]indol-1-yl}acetate

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
-5 °C

Procedure

0.87 g of methyl (R)-{2-[N-{1-[(2,6-dimethoxy-4-methylphenyl)pentylcarbamoyl]-5-aminopentyl}carbamoyl]indol-1-yl}acetate, 0.645 g of BOP and 0.23 g of cinnamic acid are successively added to 30 ml of dimethylformamide. After cooling to -5° C., 0.26 g of N-ethylmorpholine is added under an inert atmosphere and the reaction mixture is maintained at 0° C. for 2 hours and is then left at room temperature for 18 hours. The reaction mixture is poured into a large volume of water and extraction is carried out with ethyl acetate. The organic extracts are dried over anhydrous sodium sulphate and evaporated to dryness. The residual oil is purified by flash chromatography on silica gel, eluent: CH2Cl2 /CH3OH 97/3 (v/v) in order to obtain methyl (R)-{2-[N-{1-[(2,6-dimethoxy-4-methylphenyl)pentylcarbamoyl]-5-(cinnamoylamino)pentyl}carbamoyl]indol-1-yl}acetate in the form of an oil.

Workup

  1. temperaturethe reaction mixture is maintained at 0° C. for 2 hours
  2. dry with materialThe organic extracts are dried over anhydrous sodium sulphate
  3. customevaporated to dryness
  4. customThe residual oil is purified by flash chromatography on silica gel, eluent

Sources & evidence

ORD record
ord-92a29c6b2fb348a4acb80711b9b5d5dc
Source dataset
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05731340

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes