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Potassium Phosphate, Tribasic → HCID 53373017, compound

HRID 715171
Notes
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Reaction equation

HRID 715171 reaction equation
[CH3:1][N:2]1[CH2:15][CH2:14][C:5]2[NH:6][C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]=2[CH2:3]1.Br[C:17]1[CH:18]=[C:19]2[C:24](=[CH:25][CH:26]=1)[N:23]=[CH:22][CH:21]=[CH:20]2.[O-]P([O-])([O-])=O.[K+].[K+].[K+].N1CCC[C@H]1C(O)=O>CN(C=O)C.O.[Cu]I>[CH3:1][N:2]1[CH2:15][CH2:14][C:5]2[N:6]([C:17]3[CH:18]=[C:19]4[C:24](=[CH:25][CH:26]=3)[N:23]=[CH:22][CH:21]=[CH:20]4)[C:7]3[CH:8]=[CH:9][C:10]([CH3:13])=[CH:11][C:12]=3[C:4]=2[CH2:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 792436-BromoquinolineHCID 145742L-ProlineHCID 2092911H-Pyrido[4,3-b]indole, 2,3,4,5-tetrahydro-2,8-dimethyl-

Product 1

HCID 53373017HCID 53373017, compound

Reagents, catalysts & solvents 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Catalyst
HCID 962WaterSolvent
HCID 6228DimethylformamideSolvent

Procedure

A solution of 2,8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (0.1 g, 0.5 mmol), 6-bromoquinoline (0.135 mL, 1 mmol), K3PO4 (0.318 g, 1.5 mmol), CuI (9.5 mg, 0.05 mmol) and L-Proline (11.5 mg, 0.1 mmol) in dry DMF (5 mL) was stirred at 150° C. for 24 h. The reaction mixture was diluted with water and extracted with EtOAc. The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure to afford crude material, which was purified by reverse phase HPLC to yield 2,8-dimethyl-5-quinolin-6-yl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole as an off white solid (8 mg). 1H NMR (Oxalate salt, CD3OD) d (ppm): 8.92 (d, 1H), 8.43 (d, 1H), 8.2 (dd, 1H), 8.0 (d, 1H), 7.8 (d, 1H), 7.6 (dd, 1H), 7.38 (d, 1H), 7.18 (d, 1H), 7.0 (dd, 1H), 4.42 (s, 2H), 3.5 (m, 2H), 3.1 (m, 5H), 2.4 (s, 3H).

Workup

  1. extractionextracted with EtOAc
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. concentrationconcentrated under reduced pressure
  4. customto afford crude material, which
  5. customwas purified by reverse phase HPLC

Sources & evidence

ORD record
ord-e07738e3f0e94979ae5204ebd0a9452e
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09187471B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes