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Sodium Bicarbonate → (2S, 3S)-1-tert-Butoxycarbonyl-2-phenyl-3-(5-(2,2,2-trifluoro-1-(trifluoromethyl)ethyl)-2-methoxybenzyl)aminopiperidine

HRID 2269245
Notes
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Reaction equation

HRID 2269245 reaction equation
[NH2:1][C@H:2]1[CH2:7][CH2:6][CH2:5][N:4]([C:8]([O:10][C:11]([CH3:14])([CH3:13])[CH3:12])=[O:9])[C@H:3]1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.[F:21][C:22]([F:39])([F:38])[CH:23]([C:28]1[CH:29]=[CH:30][C:31]([O:36][CH3:37])=[C:32]([CH:35]=1)[CH:33]=O)[C:24]([F:27])([F:26])[F:25].[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+].C([O-])(O)=O.[Na+]>C(Cl)Cl>[C:11]([O:10][C:8]([N:4]1[CH2:5][CH2:6][CH2:7][C@H:2]([NH:1][CH2:33][C:32]2[CH:35]=[C:28]([CH:23]([C:22]([F:39])([F:21])[F:38])[C:24]([F:25])([F:26])[F:27])[CH:29]=[CH:30][C:31]=2[O:36][CH3:37])[C@@H:3]1[C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=1)=[O:9])([CH3:14])([CH3:13])[CH3:12]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 11311934(2S,3S)-tert-Butyl 3-amino-2-phenylpiperidine-1-carboxylateHCID 186776145-(2,2,2-Trifluoro-1-(trifluoromethyl)ethyl)-2-methoxybenzaldehyde

Product 1

HCID 15549735(2S, 3S)-1-tert-Butoxycarbonyl-2-phenyl-3-(5-(2,2,2-trifluoro-1-(trifluoromethyl)ethyl)-2-methoxybenzyl)aminopiperidine
Yield 103.7%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a stirred and ice-cooled solution of Compound 12 (100 mg, 0.3 mmol) and Compound 9 (100 mg, 0.3 mmol) in dry CH2Cl2 (10 ml) was added NaBH(OAc)3 (210 mg, 1 mmol) in one portion. After the mixture was stirred at room temperature for 20 hours. The mixture was poured into NaHCO3 aq., and extracted with CH2Cl2. The combined extracts were dried (Na2SO4), and concentrated in vacuo to give Compound 13 as a yellow oil (170 mg).

Workup

  1. stirringAfter the mixture was stirred at room temperature for 20 hours
  2. extractionextracted with CH2Cl2
  3. dry with materialThe combined extracts were dried (Na2SO4)
  4. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-faa1df779fb44fd3b033ead414aea187
Source dataset
uspto-grants-2001_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06329396B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes