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Sodium Bicarbonate → [4-[[hexahydro-4-[(4-phenoxyphenyl)methyl]-1H-1,4-diazepin-1-yl]methyl]phenyl]methanol

HRID 16512
Notes
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Reaction equation

HRID 16512 reaction equation
[O:1]([C:8]1[CH:13]=[CH:12][C:11]([CH2:14][N:15]2[CH2:21][CH2:20][CH2:19][N:18]([CH2:22][C:23]3[CH:32]=[CH:31][C:26]([C:27](OC)=[O:28])=[CH:25][CH:24]=3)[CH2:17][CH2:16]2)=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Li].C(=O)(O)[O-].[Na+]>O1CCCC1>[O:1]([C:8]1[CH:9]=[CH:10][C:11]([CH2:14][N:15]2[CH2:21][CH2:20][CH2:19][N:18]([CH2:22][C:23]3[CH:24]=[CH:25][C:26]([CH2:27][OH:28])=[CH:31][CH:32]=3)[CH2:17][CH2:16]2)=[CH:12][CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 516892Sodium BicarbonateHCID 3028194LithiumHCID 68484970methyl 4-[[hexahydro-4-[(4-phenoxyphenyl)methyl]-1H-1,4-diazepin-1-yl]methyl]benzoate

Product 1

HCID 68489528[4-[[hexahydro-4-[(4-phenoxyphenyl)methyl]-1H-1,4-diazepin-1-yl]methyl]phenyl]methanolYield 78.7%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent
2×

Procedure

A solution of methyl 4-[[hexahydro-4-[(4-phenoxyphenyl)methyl]-1H-1,4-diazepin-1-yl]methyl]benzoate (260 mg, 0.60 mmol) in tetrahydrofuran (6 mL) was cautiously added to lithium alanate (45.5 mg, 1.2 mmol) in tetrahydrofuran (12 mL) at 0° C. The reaction was stirred overnight at ambient temperature. The mixture was treated with saturated sodium bicarbonate solution and extracted with ethyl acetate. The organic layer was washed with brine, dried over sodium sulfate, and concentrated under reduced pressure. Flash chromatography gave 190 mg of [4-[[hexahydro-4-[(4-phenoxyphenyl)methyl]-1H-1,4-diazepin-1-yl]methyl]phenyl]methanol; 1H NMR (300 MHz, CDCl3) δ 7.33 (m, 4H), 7.33 (dd, 2H), 7.29 (d, 2H), 7.09 (dd, 1H), 7.00 (d, 2H), 6.95 (d, 2H), 4.68 (s, 2H), 3.64 (s, 2H), 3.61 (s, 2H), 2.73 (m, 4H), 2.67 (s, 4H), 1.80 (m, 2H) ppm.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with brine
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-45cfc87701274beba0053a2b3b89390a
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07737145B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes