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Sodium hydride → 1-(8-methoxy-2-methyl-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)-2-(pyridin-4-yl)propan-2-ol

HRID 1773270
Notes
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Reaction equation

HRID 1773270 reaction equation
[CH3:1][O:2][C:3]1[CH:11]=[CH:10][C:9]2[NH:8][C:7]3[CH2:12][CH2:13][N:14]([CH3:16])[CH2:15][C:6]=3[C:5]=2[CH:4]=1.[H-].[Na+].[CH3:19][C:20]1([C:23]2[CH:28]=[CH:27][N:26]=[CH:25][CH:24]=2)[CH2:22][O:21]1>CN(C=O)C>[CH3:1][O:2][C:3]1[CH:11]=[CH:10][C:9]2[N:8]([CH2:19][C:20]([C:23]3[CH:28]=[CH:27][N:26]=[CH:25][CH:24]=3)([OH:21])[CH3:22])[C:7]3[CH2:12][CH2:13][N:14]([CH3:16])[CH2:15][C:6]=3[C:5]=2[CH:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 24758Sodium hydrideHCID 5994848-Methoxy-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indoleHCID 123953864-(2-Methyloxiran-2-yl)pyridine

Product 1

HCID 497795241-(8-methoxy-2-methyl-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)-2-(pyridin-4-yl)propan-2-ol

Reagents, catalysts & solvents 1

HCID 6228Dimethylformamide
Solvent

Procedure

A flask was charged with 8-methoxy-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (1.5 g, 6.9 mmol) in DMF (15 mL) and stirred for 5 min. To this was added NaH (60% in hexane) (828 mg, 20 mmol) and the mixture stirred at RT for 10 min. 4-(2-Methyloxiran-2-yl)pyridine (1.89 g, 13.8 mmol) was added and the mixture stirred at RT for 16 h. The progress of reaction was monitored by TLC. The reaction mixture was poured into ice water and filtered. The filtrate was washed with water and concentrated. The residue was recrystallized from ether to get pure product. 1HNMR (DMSO, D1-HCl salt) d (ppm): 8.75 (m, 2H), 8.0 (dd, 2H), 7.30 (d, 1H), 6.90 (s, 1H), 6.60 (t, 1H), 6.10 (bs, 1H), 4.50 (m, 1H), 4.30 (m, 2H), 4.18 (m, 1H), 3.80 (s, 3H), 3.60 (m, 2H), 3.25 (m, 1H), 2.10 (m, 1H), 2.95 (s, 3H), 1.60 (s, 3H).

Workup

  1. stirringthe mixture stirred at RT for 10 min
  2. stirringthe mixture stirred at RT for 16 h
  3. customThe progress of reaction
  4. filtrationfiltered
  5. washThe filtrate was washed with water
  6. concentrationconcentrated
  7. customThe residue was recrystallized from ether
  8. customto get pure product

Sources & evidence

ORD record
ord-d6f51dbc76294a15ac248d6b19af7c7c
Source dataset
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09255094B2

Reaction notes

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