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Benzoyl chloride → Methyl 2-(3-benzamido-4-fluorophenyl)-3,3-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylate

HRID 1801294
Notes
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Reaction equation

HRID 1801294 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[C:17]([CH3:19])([CH3:18])[CH2:16][C:15]3[C:10](=[CH:11][CH:12]=[C:13]([C:20]([O:22][CH3:23])=[O:21])[CH:14]=3)[NH:9]2)=[CH:4][C:3]=1[N+:24]([O-])=O.C(N(CC)C(C)C)(C)C.[C:36](Cl)(=[O:43])[C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1>ClCCl>[C:36]([NH:24][C:3]1[CH:4]=[C:5]([CH:8]2[C:17]([CH3:19])([CH3:18])[CH2:16][C:15]3[C:10](=[CH:11][CH:12]=[C:13]([C:20]([O:22][CH3:23])=[O:21])[CH:14]=3)[NH:9]2)[CH:6]=[CH:7][C:2]=1[F:1])(=[O:43])[C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7412Benzoyl chlorideHCID 81531DiisopropylethylamineHCID 67442620Methyl 2-(4-fluoro-3-nitrophenyl)-3,3-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylate

Product 1

HCID 67442738Methyl 2-(3-benzamido-4-fluorophenyl)-3,3-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylateYield 94%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a solution of methyl 2-(4-fluoro-3-nitrophenyl)-3,3-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylate (105 mg, 0.32 mmol) in dichloromethane (5 mL) was added N,N-diisopropylethylamine (83 mg, 0.64 mmol) followed by benzoyl chloride (49 mg, 0.35 mmol) at 0° C. under nitrogen. The reaction mixture was then stirred at room temperature for 16 hours. The solvent was removed and the residue was purified by preparative Thin layer chromatography (silica gel, petroleum ether/ethyl acetate=3:1) to afford methyl 2-(3-benzamido-4-fluorophenyl)-3,3-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylate 130 mg (94%) as a pale yellow solid. MS (ESI+APCI) M+1=433.

Workup

  1. customThe solvent was removed
  2. customthe residue was purified by preparative Thin layer chromatography (silica gel, petroleum ether/ethyl acetate=3:1)

Sources & evidence

ORD record
ord-db6285c248fd4c079c77e35e27174568
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08344137B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes