Chloride → 2-[3,5-bis(trifluoromethyl)phenyl]-N-[6-[(7S,9aS)-7-({[(1,1-dimethylethyl)(dimethyl)silyl]oxy}methyl)hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl]-4-(2-formylphenyl)-3-pyridinyl]-N,2-dimethylpropanamide

HRID 421202Notes

Reaction equation

HRID 421202 reaction equation
[F:1][C:2]([F:36])([F:35])[C:3]1[CH:4]=[C:5]([C:13]([CH3:34])([CH3:33])[C:14]([N:16]([C:18]2[CH:19]=[N:20][C:21](Cl)=[CH:22][C:23]=2[C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[CH:30]=[O:31])[CH3:17])=[O:15])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.[CH3:37][C:38]([Si:41]([CH3:55])([CH3:54])[O:42][CH2:43][C@@H:44]1[CH2:53][N:52]2[C@H:47]([CH2:48][O:49][CH2:50][CH2:51]2)[CH2:46][NH:45]1)([CH3:40])[CH3:39].[Cl-].[OH-].[Na+]>C1(C)C=CC=CC=1.CCOC(C)=O>[F:1][C:2]([F:36])([F:35])[C:3]1[CH:4]=[C:5]([C:13]([CH3:34])([CH3:33])[C:14]([N:16]([C:18]2[CH:19]=[N:20][C:21]([N:45]3[C@H:44]([CH2:43][O:42][Si:41]([C:38]([CH3:40])([CH3:39])[CH3:37])([CH3:54])[CH3:55])[CH2:53][N:52]4[C@H:47]([CH2:48][O:49][CH2:50][CH2:51]4)[CH2:46]3)=[CH:22][C:23]=2[C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[CH:30]=[O:31])[CH3:17])=[O:15])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1

Participants

7

Reactant 4

HCID 312ChlorideHCID 14798Sodium HydroxideHCID 583757862-[3,5-bis(trifluoromethyl)phenyl]-N-[6-chloro-4-(2-formylphenyl)-3-pyridinyl]-N,2-dimethylpropanamideHCID 59215768(7S,9AS)-7-(((tert-butyldimethylsilyl)oxy)methyl)octahydropyrazino[2,1-c][1,4]oxazine

Product 1

HCID 592158982-[3,5-bis(trifluoromethyl)phenyl]-N-[6-[(7S,9aS)-7-({[(1,1-dimethylethyl)(dimethyl)silyl]oxy}methyl)hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl]-4-(2-formylphenyl)-3-pyridinyl]-N,2-dimethylpropanamideYield 18%

Reagents, catalysts & solvents 2

HCID 1140TolueneSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
90 °C

Procedure

2-[3,5-bis(trifluoromethyl)phenyl]-N-[6-chloro-4-(2-formyl phenyl)-3-pyridinyl]-N,2-dimethylpropanamide (D59, 106 mg, 0.201 mmol),), (7S,9aS)-7-({[(1,1-dimethylethyl)(dimethyl)silyl]oxy}methyl)octahydropyrazino[2,1-c][1,4]oxazine (D51, 72 mg, 0.251 mmol) were dissolved in toluene (2 mL). Bis tritertbutylphosphine palladium (27 mg, 0.052 mmol), followed by hexadecyltrimethylammoium chloride (30 μL, 25% aq sol), and finally sodium hydroxide solution (0.25 mL, 50% aq sol) were added. The mixture was degassed for 5 minutes before heating at 90° C. for 2 hours. Reaction cooled to R.T., diluted with EtOAc, washed with sat NaHCO3 solution, dried (MgSO4). Filtered. Solvent evaporated. Residue purified eluting with 0-50% EtOAc/Pent. Solvent evaporated under reduced pressure to afford a pale yellow solid in 18% yield.

Workup

  1. additionwere added
  2. customThe mixture was degassed for 5 minutes
  3. customReaction
  4. temperaturecooled to R.T.
  5. washwashed
  6. dry with materialdried (MgSO4)
  7. filtrationFiltered
  8. customSolvent evaporated
  9. customResidue purified
  10. washeluting with 0-50% EtOAc/Pent
  11. customSolvent evaporated under reduced pressure
  12. customto afford a pale yellow solid in 18% yield

Sources & evidence

ORD record
ord-6ccf7267647748ffac4e3a680ef5a80d
Source dataset
uspto-grants-2012_01
Patent number
US08097618B2

Reaction notes

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