Methanol → Methyl 2-((2-chloro-4-(dimethylcarbamoyl)phenyl)(methyl)-carbamoyl)-4,5-dihydrobenzo[b] thieno[2,3-d]oxepine-8-carboxylate

HRID 84519Notes

Reaction equation

HRID 84519 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]2[C:11]3[S:12][C:13]([C:15]([N:17]([C:19]4[CH:24]=[CH:23][C:22]([C:25](=[O:29])[N:26]([CH3:28])[CH3:27])=[CH:21][C:20]=4[Cl:30])[CH3:18])=[O:16])=[CH:14][C:10]=3[CH2:9][CH2:8][O:7][C:6]=2[CH:31]=1.[CH3:32][OH:33].CN([CH:37]=[O:38])C>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.[Fe+2].CC([O-])=O.CC([O-])=O.[Pd+2]>[Cl:30][C:20]1[CH:21]=[C:22]([C:25](=[O:29])[N:26]([CH3:28])[CH3:27])[CH:23]=[CH:24][C:19]=1[N:17]([CH3:18])[C:15]([C:13]1[S:12][C:11]2[C:5]3[CH:4]=[CH:3][C:2]([C:32]([O:38][CH3:37])=[O:33])=[CH:31][C:6]=3[O:7][CH2:8][CH2:9][C:10]=2[CH:14]=1)=[O:16]

Participants

6

Reactant 3

HCID 887MethanolHCID 6228DimethylformamideHCID 568341588-bromo-N-(2-chloro-4-(dimethylcarbamoyl)phenyl)-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamide

Product 1

HCID 56834268Methyl 2-((2-chloro-4-(dimethylcarbamoyl)phenyl)(methyl)-carbamoyl)-4,5-dihydrobenzo[b] thieno[2,3-d]oxepine-8-carboxylateYield 89%

Reagents, catalysts & solvents 2

HCID 167845palladium(II) acetateCatalystHCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)Catalyst

Procedure

The mixture of 8-bromo-N-(2-chloro-4-(dimethylcarbamoyl)phenyl)-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamide (27.0 g, 51.9 mmol), dppf (23.20 g, 41.9 mmol), Pd(OAc)2 (5.8 g, 25.8 mmol), TEA (27 mL), in DMF (270 mL) and MeOH (400 mL) was stirred under CO (50 psi) atmosphere at 70° C. for 2 days. The reaction mixture was filtrated and the filtrate was concentrated. The crude product was purified by silica gel chromatography eluted with Hexanes: EtOAc=1:1 to give methyl 2-((2-chloro-4-(dimethylcarbamoyl)phenyl)(methyl)-carbamoyl)-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxylate (23.00 g, 89%). ESI-MS: 499.1. 1H NMR (DMSO-d6, 400 MHz): δ7.74-7.69 (m, 2H, ArH), 7.58-7.47 (m, 4H, ArH), 6.79 (s, 1H, ═CH), 4.23 (t, J=4.8 Hz, 2H, CH2), 3.83 (s, 3H, CH3), 3.31 (s, 3H, CH3), 3.01 (br, 5H, CH2, CH3), 2.94 (s, 3H, CH3).

Workup

  1. filtrationThe reaction mixture was filtrated
  2. concentrationthe filtrate was concentrated
  3. customThe crude product was purified by silica gel chromatography
  4. washeluted with Hexanes

Sources & evidence

ORD record
ord-7ea804d39ade4a56ad48c454146b8200
Source dataset
uspto-grants-2014_09
Patent number
US08846762B2

Reaction notes

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