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Sodium Hydroxide → HCID 59455045, compound

HRID 1400552
Notes
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Reaction equation

HRID 1400552 reaction equation
[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[N:7]([CH2:11][C:12]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)O)[C:6]3[CH2:26][CH2:27][N:28]([CH3:30])[CH2:29][C:5]=3[C:4]=2[CH:3]=1.S(Cl)(Cl)=O.[OH-].[Na+]>C(Cl)Cl.CN(C=O)C>[Cl:1][C:2]1[CH:10]=[CH:9][C:8]2[N:7]([CH:11]=[C:12]([C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=3)[C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[C:6]3[CH2:26][CH2:27][N:28]([CH3:30])[CH2:29][C:5]=3[C:4]=2[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 14798Sodium HydroxideHCID 24386Thionyl ChlorideHCID 59455121HCID 59455121, compound

Product 1

HCID 59455045HCID 59455045, compoundYield 36.6%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalyst
HCID 6344
Dichloromethane
Solvent

Procedure

A solution of 2-(8-chloro-2-methyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-1,1-diphenyl-ethanol (100 mg, 0.24 mmol) in DCM (5 mL) and DMF (2 drops) was stirred at 0-10° C. Thionyl chloride (1.5 mL, 20.67 mmol) was added and the reaction mixture was stirred at RT for 2 h. The solvent was removed under vacuum to obtain the crude yellow solid. 1N NaOH (10 mL) was added to the reaction mixture and the compound extracted with EtOAc (2×20 mL). The organic layer was dried over anhydrous sodium sulfate, concentrated under vacuum to obtain the crude product (100 mg) which was purified by column chromatography on silica gel (100-200 mesh) [Eluent: 0-2.5% MeOH and DCM] to yield 35 mg product which was converted to HCL salt. 1H NMR (CD3OD, HCl salt) δ (ppm): 7.46-7.40 (m, 6H), 7.25-7.16 (m, 5H), 7.10 (d, 1H), 6.98 (d, 2H), 4.62 (d, 1H), 4.30 (d, 1H), 3.70 (m, 1H), 3.40 (m, 1H), 3.0 (s, 3H), 2.90 (m, 2H).

Workup

  1. customThe solvent was removed under vacuum
  2. customto obtain the crude yellow solid
  3. extractionthe compound extracted with EtOAc (2×20 mL)
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. concentrationconcentrated under vacuum
  6. customto obtain the crude product (100 mg) which
  7. customwas purified by column chromatography on silica gel (100-200 mesh) [Eluent: 0-2.5% MeOH and DCM]

Sources & evidence

ORD record
ord-b4bfa93852f34455ad720a9f4b4cfcab
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08906925B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes