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Sodium borohydride → N-[3,5-bis(trifluoromethyl)benzyl]-5-(4-fluorophenyl)-1,2,7,8-tetrahydro-N,1,7-trimethyl-8-oxo-6-pyrido[3,4-b]pyridinecarboxamide

HRID 1081318
Notes
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Reaction equation

HRID 1081318 reaction equation
[I-].[F:2][C:3]([F:40])([F:39])[C:4]1[CH:5]=[C:6]([CH:32]=[C:33]([C:35]([F:38])([F:37])[F:36])[CH:34]=1)[CH2:7][N:8]([CH3:31])[C:9]([C:11]1[N:21]([CH3:22])[C:20](=[O:23])[C:14]2=[N+:15]([CH3:19])[CH:16]=[CH:17][CH:18]=[C:13]2[C:12]=1[C:24]1[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=1)=[O:10].[BH4-].[Na+]>CO>[F:39][C:3]([F:2])([F:40])[C:4]1[CH:5]=[C:6]([CH:32]=[C:33]([C:35]([F:37])([F:36])[F:38])[CH:34]=1)[CH2:7][N:8]([CH3:31])[C:9]([C:11]1[N:21]([CH3:22])[C:20](=[O:23])[C:14]2[N:15]([CH3:19])[CH2:16][CH:17]=[CH:18][C:13]=2[C:12]=1[C:24]1[CH:25]=[CH:26][C:27]([F:30])=[CH:28][CH:29]=1)=[O:10]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 4311764Sodium borohydrideHCID 233640506-[N-[3,5-Bis(trifluoromethyl)benzyl]-N-methylamino carbonyl]-5-(4-fluorophenyl)-7,8-dihydro-1,7-dimethyl-8-oxopyrido[3,4-b]pyridinium iodide

Product 1

HCID 23364122N-[3,5-bis(trifluoromethyl)benzyl]-5-(4-fluorophenyl)-1,2,7,8-tetrahydro-N,1,7-trimethyl-8-oxo-6-pyrido[3,4-b]pyridinecarboxamide

Reagents, catalysts & solvents 1

HCID 887Methanol
Solvent

Procedure

To a solution of the compound (310 mg) obtained in Example 29 in methanol (15 ml) was added portionwise sodium borohydride (50 mg) at room temperature while stirring. This mixture was stirred for 15 minutes at room temperature, which was then concentrated. To the concentrate was added ethyl acetate, which was washed with water and dried, then the solvent was distilled off to leave N-[3,5-bis(trifluoromethyl)benzyl]-5-(4-fluorophenyl)-1,2,7,8-tetrahydro-N,1,7-trimethyl-8-oxo-6-pyrido[3,4-b]pyridinecarboxamide as a pale yellow oily product [NMR (200 MHz,CDCl3) ppm: 2.70(3H,s), 3.16(3H,s), 3.49(3H,s), 3.49(1H,m), 3.88(1H,m), 4.29(1H,d,J=14.6 Hz), 4.66(1H,d,J=14.6 Hz), 5.62(1H,m), 5.77(1H,d,J=13 Hz), 6.84-7.26(4H,m), 7.53(2H,s), 7.81(1H,s)].

Workup

  1. stirringThis mixture was stirred for 15 minutes at room temperature
  2. concentrationwhich was then concentrated
  3. additionTo the concentrate was added ethyl acetate, which
  4. washwas washed with water
  5. customdried
  6. distillationthe solvent was distilled off

Sources & evidence

ORD record
ord-619cad36a96f49e8938866dbf7324d27
Source dataset
uspto-grants-1996_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05585385

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes