Sodium Hydroxide → 8-Bromo-1-isopropyl-7-methoxy-2,3,4,5-tetrahydro-1H-benzo[d]azepine

HRID 1035141Notes

Reaction equation

HRID 1035141 reaction equation
FC(F)(F)C([N:5]1[CH2:11][CH:10]([CH:12]([CH3:14])[CH3:13])[C:9]2[CH:15]=[C:16]([Br:21])[C:17]([O:19][CH3:20])=[CH:18][C:8]=2[CH2:7][CH2:6]1)=O.[OH-].[Na+]>[Cl-].[Na+].O>[Br:21][C:16]1[C:17]([O:19][CH3:20])=[CH:18][C:8]2[CH2:7][CH2:6][NH:5][CH2:11][CH:10]([CH:12]([CH3:14])[CH3:13])[C:9]=2[CH:15]=1

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 22292805N-trifluoroacetyl-8-bromo-1-isopropyl-7-methoxy-2,3,4,5-tetrahydro-1H-3-benzazepine

Product 1

HCID 103799108-Bromo-1-isopropyl-7-methoxy-2,3,4,5-tetrahydro-1H-benzo[d]azepineYield 1,117.7%

Reagents, catalysts & solvents 1

HCID 57417360Sodium chloride; waterSolvent

Conditions

Temperature
20 °C

Procedure

A solution of N-trifluoroacetyl-8-bromo-1-isopropyl-7-methoxy-2,3,4,5-tetrahydro-1H-3-benzazepine (0.013 g, 0.03 mmol) methanol (0.5 mL) was treated with 15% aqueous NaOH (0.5 mL), and stirred overnight at 20° C. The product mixture was diluted with brine (5 mL), extracted twice with EtOAc (5 mL), dried with MgSO4, and concentrated to give 0.10 g of a clear oil. 1H NMR (400 MHz, CD3OD) δ 7.08 (s, 1H), 6.64 (s, 1H), 3.72 (s, 3H), 3.2-3.10 (m, 3H), 2.7-2.5 (m, 3H), 2.3-2.1 (m, 2H), 0.96 (d, 3H), 0.63 (d, 3H). MS calculated for C14H20BrNO+H: 298, observed: 298.

Workup

  1. extractionextracted twice with EtOAc (5 mL)
  2. dry with materialdried with MgSO4
  3. concentrationconcentrated

Sources & evidence

ORD record
ord-f8e0620d3f8a4025b73fa939e2565375
Source dataset
uspto-grants-2013_10
Patent number
US08546378B2

Reaction notes

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