Trifluoroacetic acid → HCID 178493715, compound

HRID 606776Notes

Reaction equation

HRID 606776 reaction equation
C(O[C:6]([N:8]1[CH2:13][CH2:12][C:11](=[C:14]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[C:15]2[O:16][C:17]([CH3:20])=[N:18][N:19]=2)[CH2:10][CH2:9]1)=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O.Cl.[CH3:35][O:36][C:37]1[CH:45]=[N:44][C:43]([C:46]2[NH:47][C:48]([CH3:51])=[N:49][N:50]=2)=[C:42]2[C:38]=1[C:39]([C:52](=[O:56])C(O)=O)=[CH:40][NH:41]2.C(N(CC)CC)(C)C.C1N(P(Cl)(N2C(=O)OCC2)=O)C(=O)OC1>C(Cl)Cl>[C:21]1([C:14](=[C:11]2[CH2:12][CH2:13][N:8]([C:6](=[O:7])[C:52]([C:39]3[C:38]4[C:42](=[C:43]([C:46]5[NH:47][C:48]([CH3:51])=[N:49][N:50]=5)[N:44]=[CH:45][C:37]=4[O:36][CH3:35])[NH:41][CH:40]=3)=[O:56])[CH2:9][CH2:10]2)[C:15]2[O:16][C:17]([CH3:20])=[N:18][N:19]=2)[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1

Participants

7

Reactant 5

HCID 6422Trifluoroacetic acidHCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 521913N,N-Diethyl-2-propanamineHCID 670464714-[1-Phenyl-1-(5-methyl-1,3,4-oxadiazol-2-yl)methylene]-piperidine-1-carboxylic acid tert-butyl esterHCID 178493717HCID 178493717, compound

Product 1

HCID 178493715HCID 178493715, compoundYield 18%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 4-[1-phenyl-1-(5-methyl-1,3,4-oxadiazol-2-yl)methylene]-piperidine-1-carboxylic acid tert-butyl ester (0.0348 g, 0.098 mmol) in CH2Cl2 (1 mL) was added TFA (0.5 mL) and the reaction mixture was stirred for 30 min. The solvent was then removed in vacuo and the residual material was dissolved in CHCl3 (1 mL). To this solution was then added 4-methoxy-7-(5-methyl-1,3,4-triazol-2-yl)-6-azaindol-3-yl-oxoacetic acid hydrochloride salt (0.0621 g, 0.206 mmol) and iPrNEt2 (0.18 mL, 1.03 mmol), followed by BOP-Cl (0.0670 g, 0.263 mmol). The mixture was stirred at rt for 2 h and then the solvent was removed in vacuo. The residue was diluted with H2O and extracted with EtOAc (×3). The combined organic layers were washed (H2O, brine), dried (Na2SO4) and concentrated, and the residue was purified by preparative HPLC (NH4OAc) to give the title compound (0.0093 g, 18%) as a colorless solid:

Workup

  1. customThe solvent was then removed in vacuo
  2. dissolutionthe residual material was dissolved in CHCl3 (1 mL)
  3. stirringThe mixture was stirred at rt for 2 h
  4. customthe solvent was removed in vacuo
  5. additionThe residue was diluted with H2O
  6. extractionextracted with EtOAc (×3)
  7. washThe combined organic layers were washed (H2O, brine)
  8. dry with materialdried (Na2SO4)
  9. concentrationconcentrated
  10. customthe residue was purified by preparative HPLC (NH4OAc)

Sources & evidence

ORD record
ord-617b59a71da342d48d4efdd166e5c3ed
Source dataset
uspto-grants-2011_03
Patent number
US07915283B2

Reaction notes

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