N-methyl-2-pyrrolidone → 8-chloro-5-(2-(6-ethoxypyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole

HRID 1465382Notes

Reaction equation

HRID 1465382 reaction equation
[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[NH:7][C:6]3[CH2:11][CH2:12][N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1.[CH3:16][O:17][C:18]1[CH:23]=[CH:22][C:21]([CH:24]=[CH2:25])=[CH:20][N:19]=1.[OH-].[K+].[CH3:28]N1C(=O)CCC1>>[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[N:7]([CH2:25][CH2:24][C:21]3[CH:20]=[N:19][C:18]([O:17][CH2:16][CH3:28])=[CH:23][CH:22]=3)[C:6]3[CH2:11][CH2:12][N:13]([CH3:15])[CH2:14][C:5]=3[C:4]=2[CH:3]=1

Participants

5

Reactant 4

HCID 13387N-methyl-2-pyrrolidoneHCID 14797Potassium HydroxideHCID 196158-chloro-2-methyl-1H,2H,3H,4H,5H-pyrido(4,3-b)indoleHCID 230701355-Ethenyl-2-methoxypyridine

Product 1

HCID 578760368-chloro-5-(2-(6-ethoxypyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole

Procedure

The title compound is prepared from a mixture of 8-chloro-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole, 2-methoxy-5-vinylpyridine and KOH (5-7 equiv) in NMP at a temperature ranging between 25 deg C. to 100 deg C. The product obtained is isolated by preparative HPLC.

Workup

  1. customranging between 25 deg C
  2. customto 100 deg C
  3. customThe product obtained
  4. customis isolated by preparative HPLC

Sources & evidence

ORD record
ord-28ffb41167cf4f1496c8870f020d5fa1
Source dataset
uspto-grants-2015_04
Patent number
US08999978B2

Reaction notes

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