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Trifluoroacetic acid → HCID 57971633, compound

HRID 548276
Notes
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Reaction equation

HRID 548276 reaction equation
[CH:1]1([O:6][C:7](=[O:52])[C@@H:8]([N:15](C(OC(C)(C)C)=O)[CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[C:19]([NH:23][CH2:24][C:25]3[CH:26]=[CH:27][C:28]4[CH:32]=[C:31]([C:33](=[O:43])[NH:34][O:35]C(OCC(C)C)C)[S:30][C:29]=4[CH:44]=3)[CH:18]=2)[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.C(O)(C(F)(F)F)=O>C(Cl)Cl.CO.C(Cl)Cl>[CH:1]1([O:6][C:7](=[O:52])[C@@H:8]([NH:15][CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[C:19]([NH:23][CH2:24][C:25]3[CH:26]=[CH:27][C:28]4[CH:32]=[C:31]([C:33](=[O:43])[NH:34][OH:35])[S:30][C:29]=4[CH:44]=3)[CH:18]=2)[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6422Trifluoroacetic acidHCID 57971685HCID 57971685, compound

Product 1

HCID 57971633HCID 57971633, compoundYield 11%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 21226129Dichloromethane methanolSolvent

Procedure

To a solution of (S)-[tert-Butoxycarbonyl-(3-{[2-(1-isobutoxy-ethoxycarbamoyl)-benzo[b]thiophen-6-ylmethyl]-amino}-benzyl)-amino]-phenyl-acetic acid cyclopentyl ester (0.100 g, 0.14 mmol) in DCM/MeOH (1 ml:1 ml) was added TFA (8 ml). The solution was stirred for 2 h, then diluted with DCM (200 ml). The solution was washed with saturated sodium bicarbonate (100 ml). The solution was dried (Na2SO4), concentrated and purified by reverse phase HPLC to yield the desired product (8.1 mg, 11% yield). LCMS purity 98%, m/z 531 (M+H)+ 300 MHz, DMSO, 6:1.26-1.85 (8H, m), 3.47 (2H, s), 4.21 (1H, s), 4.38 (2H, d, J=5.8 Hz), 5.02-5.07 (1H, m), 6.32 (1H, t, J=6.0 Hz), 6.45 (2H, d, J=7.9 Hz), 6.57 (1H, s), 6.97 (1H, t, J=7.8 Hz), 7.23-7.35 (5H, m), 7.42 (1H, dd, J 1.2, 8.3 Hz), 7.84 (1H, s), 7.87 (1H, s), 7.93 (1H, s), 9.23 (1H, brs), 11.4 (1H, brs)

Workup

  1. washThe solution was washed with saturated sodium bicarbonate (100 ml)
  2. dry with materialThe solution was dried (Na2SO4)
  3. concentrationconcentrated
  4. custompurified by reverse phase HPLC

Sources & evidence

ORD record
ord-f7c18178e267400eb4d25c3c9a371528
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07939666B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes