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Benzoyl chloride, 3-chloro- → 3-[5-(3-Chloro-benzoylamino)-2-methyl-phenoxymethyl]-thieno[3,2-c]pyridine-7-carboxylic acid ethyl ester

HRID 1671523
Notes
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Reaction equation

HRID 1671523 reaction equation
[CH2:1]([O:3][C:4]([C:6]1[C:7]2[S:14][CH:13]=[C:12]([CH2:15][O:16][C:17]3[CH:22]=[C:21]([NH2:23])[CH:20]=[CH:19][C:18]=3[CH3:24])[C:8]=2[CH:9]=[N:10][CH:11]=1)=[O:5])[CH3:2].C(N(C(C)C)CC)(C)C.[Cl:34][C:35]1[CH:36]=[C:37]([CH:41]=[CH:42][CH:43]=1)[C:38](Cl)=[O:39]>C1COCC1>[CH2:1]([O:3][C:4]([C:6]1[C:7]2[S:14][CH:13]=[C:12]([CH2:15][O:16][C:17]3[CH:22]=[C:21]([NH:23][C:38](=[O:39])[C:37]4[CH:41]=[CH:42][CH:43]=[C:35]([Cl:34])[CH:36]=4)[CH:20]=[CH:19][C:18]=3[CH3:24])[C:8]=2[CH:9]=[N:10][CH:11]=1)=[O:5])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 69252Benzoyl chloride, 3-chloro-HCID 81531DiisopropylethylamineHCID 59667329HCID 59667329, compound

Product 1

HCID 248006193-[5-(3-Chloro-benzoylamino)-2-methyl-phenoxymethyl]-thieno[3,2-c]pyridine-7-carboxylic acid ethyl ester

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 3-(5-amino-2-methyl-phenoxymethyl)-thieno[3,2-c]pyridine-7-carboxylic acid ethyl ester (346.7 mg, 1.01 mmol) (from Example 23 supra) in THF (20 mL) were added diisopropylethylamine (258 mg, 2.03 mmol) (Aldrich) and then 3-chlorobenzoyl chloride (265 mg, 1.51 mmol) (Aldrich). The reaction was stirred at room temperature for 30 minutes before it was concentrated to remove the solvent. The residue was diluted with EtOAc (200 mL), washed with aqueous 1N NaOH (15 mL), brine (2×15 mL), dried (Na2SO4) and concentrated. The residue was purified by column chromatography (CH2Cl2/MeOH, 99/1 to 95/5) to give 3-[5-(3-chloro-benzoylamino)-2-methyl-phenoxymethyl]-thieno[3,2-c]pyridine-7-carboxylic acid ethyl ester as a white solid. (Yield 468 mg, 97%).

Workup

  1. concentrationwas concentrated
  2. customto remove the solvent
  3. additionThe residue was diluted with EtOAc (200 mL)
  4. washwashed with aqueous 1N NaOH (15 mL), brine (2×15 mL)
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated
  7. customThe residue was purified by column chromatography (CH2Cl2/MeOH, 99/1 to 95/5)

Sources & evidence

ORD record
ord-4422ba6a0b7c4465a7078245fe29882c
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07994321B2

Reaction notes

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