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Dimethylformamide → HCID 86722706, compound

HRID 1480492
Notes
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Reaction equation

HRID 1480492 reaction equation
[C:1]([O:5][C:6]([NH:8][CH:9]1[CH2:14][CH2:13][N:12]([C:15]([O:17][CH2:18][C:19]2[CH:24]=[C:23]([C:25]([F:28])([F:27])[F:26])[CH:22]=[C:21](Br)[CH:20]=2)=[O:16])[CH2:11][CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:30][N:31](C=O)C>[C-]#N.[Zn+2].[C-]#N.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6]([NH:8][CH:9]1[CH2:14][CH2:13][N:12]([C:15]([O:17][CH2:18][C:19]2[CH:24]=[C:23]([C:25]([F:28])([F:27])[F:26])[CH:22]=[C:21]([C:30]#[N:31])[CH:20]=2)=[O:16])[CH2:11][CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6228DimethylformamideHCID 86722707HCID 86722707, compound

Product 1

HCID 86722706HCID 86722706, compound

Reagents, catalysts & solvents 2

HCID 11186Zinc cyanide (Zn(CN)2)CatalystHCID 178418397HCID 178418397, compoundCatalyst

Conditions

Temperature
150 °C

Procedure

3-Bromo-5-(trifluoromethyl)benzyl 4-((tert-butoxycarbonyl)amino)piperidine-1-carboxylate (Example 63, step 2) (214 mg, 0.445 mmol), zinc cyanide (26.1 mg, 0.222 mmol) and Pd(PPh3)4 (20.5 mg, 0.018 mmol) were dissolved in DMF (4 ml) and the vial flushed with nitrogen. The mixture was heated in the microwave at 150° C. for 10 mins, then cooled and diluted with EtOAc (30 ml). This was washed with a saturated solution of brine, dried over MgSO4, filtered and concentrated under reduced pressure. Purification by chromatography on a 4 g silica column using 0-50% EtOAC/hexanes as eluent gave the title compound.

Workup

  1. customthe vial flushed with nitrogen
  2. temperaturecooled
  3. additiondiluted with EtOAc (30 ml)
  4. washThis was washed with a saturated solution of brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customPurification by chromatography on a 4 g silica column

Sources & evidence

ORD record
ord-ef220dac0f844420ba7d0b841309b829
Source dataset
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09409895B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes