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Triethylamine → HCID 53849288, 화합물

HRID 1065620
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HRID 1065620 반응식
[CH2:1]([N:3]1[CH2:7][CH2:6][CH2:5][CH:4]1[CH2:8][NH:9][C:10](=[O:25])[C:11]1[CH:16]=[C:15]([NH:17][S:18]([CH3:21])(=[O:20])=[O:19])[C:14]([CH3:22])=[CH:13][C:12]=1[O:23][CH3:24])[CH3:2].C(N(CC)CC)C.[CH3:33][N:34]([CH3:39])[S:35](Cl)(=[O:37])=[O:36]>C(Cl)Cl>[CH2:1]([N:3]1[CH2:7][CH2:6][CH2:5][CH:4]1[CH2:8][NH:9][C:10](=[O:25])[C:11]1[CH:16]=[C:15]([N:17]([S:35]([N:34]([CH3:39])[CH3:33])(=[O:37])=[O:36])[S:18]([CH3:21])(=[O:20])=[O:19])[C:14]([CH3:22])=[CH:13][C:12]=1[O:23][CH3:24])[CH3:2]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 50115Benzamide, N-((1-ethyl-2-pyrrolidinyl)methyl)-2-methoxy-4-methyl-5-((methylsulfonyl)amino)-HCID 83372Dimethylsulphamoyl chloride

생성물 1

HCID 53849288HCID 53849288, 화합물수율 54.4%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A mixture of N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-methanesulfonamidobenzamide (500 mg), triethylamine (823 mg), dimethylaminosulfonyl chloride (1.17 g), and methylene chloride (20 ml) is refluxed for 39 hours. The reaction mixture is washed with aqueous sodium hydrogencarbonate. The organic layer is washed with water, dried over sodium sulfate, and evaporated to remove the solvent. The residue is chromatographed on a column of alumina and eluted with 0.5-1% methanol/methylene chloride. The eluate is evaporated to give N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-[N-(dimethylaminosulfonyl)methanesulfonamido]benzamide (351 mg) as an oil. This product is mixed with tetrahydrofuran (3 ml) and 10% sodium hydroxide (3 ml) and warmed at 80° C. for 1 hour. The reaction mixture is evaporated to remove the tetrahydrofuran, acidified with hydrochloric acid, made alkaline with sodium hydrogencarbonate, salted out with sodium chloride, and shaken with methylene chloride. The organic layer is washed with saturated brine, dried over sodium sulfate, and evaporated to remove the solvent. The residue is chromatographed on a column of alumina and eluted with 3% methanol/methylene chloride. The eluate is evaporated to remove the solvent. The residue is washed with ether/isopropyl ether and filtered to give N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-dimethylaminosulfonamidobenzamide (211 mg). The product is recrystallized from acetonitrile/isopropyl ether to give crystals melting at 129° to 129.5° C.

후처리

  1. temperatureis refluxed for 39 hours
  2. washThe reaction mixture is washed with aqueous sodium hydrogencarbonate
  3. washThe organic layer is washed with water
  4. dry with materialdried over sodium sulfate
  5. customevaporated
  6. customto remove the solvent
  7. customThe residue is chromatographed on a column of alumina
  8. washeluted with 0.5-1% methanol/methylene chloride
  9. customThe eluate is evaporated

출처 및 근거

ORD 기록
ord-cf81b8be3137491a8b773bab2ac2b0eb
출처 데이터셋
uspto-grants-1982_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04330472

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