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1-Hydroxybenzotriazole → N-methoxy-N,2-dimethyl-3-[methyl(2-thienylsulfonyl)amino]-4H-thieno[3,2-b]pyrrole-5-carboxamide

HRID 453594
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HRID 453594 반응식
[CH3:1][C:2]1[S:9][C:8]2[CH:7]=[C:6]([C:10]([OH:12])=O)[NH:5][C:4]=2[C:3]=1[N:13]([CH3:22])[S:14]([C:17]1[S:18][CH:19]=[CH:20][CH:21]=1)(=[O:16])=[O:15].Cl.[CH3:24]OCN.[N:28]1([OH:37])[C:32]2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC>O.CN(C)C=O.C(N(CC)CC)C>[CH3:24][O:37][N:28]([CH3:32])[C:10]([C:6]1[NH:5][C:4]2[C:3]([N:13]([CH3:22])[S:14]([C:17]3[S:18][CH:19]=[CH:20][CH:21]=3)(=[O:16])=[O:15])=[C:2]([CH3:1])[S:9][C:8]=2[CH:7]=1)=[O:12]
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참가 물질

8

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 21959107Methoxymethanamine hydrochlorideHCID 594113852-methyl-3-[methyl(2-thienylsulfonyl)amino]-4H-thieno[3,2-b]pyrrole-5-carboxylic acid

생성물 1

HCID 59411392N-methoxy-N,2-dimethyl-3-[methyl(2-thienylsulfonyl)amino]-4H-thieno[3,2-b]pyrrole-5-carboxamide
수율 80%

시약·촉매·용매 3

HCID 962Water용매HCID 6228Dimethylformamide용매HCID 8471Triethylamine용매

실험 절차

To a mixture of 2-methyl-3-[methyl(2-thienylsulfonyl)amino]-4H-thieno[3,2-b]pyrrole-5-carboxylic acid (0.30 g), N-methoxymethylamine hydrochloride (100 mg), 1H-1,2,3-benzotriazol-1-ol (150 mg), triethylamine (0.15 mL) and N,N-dimethylformamide (10 mL) was added N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (190 mg), and the mixture was stirred at room temperature overnight. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. Crystallization from diethyl ether gave N-methoxy-N,2-dimethyl-3-[methyl(2-thienylsulfonyl)amino]-4H-thieno[3,2-b]pyrrole-5-carboxamide (262 mg, yield 80%) as colorless crystals. melting point 187° C.

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. customCrystallization from diethyl ether

출처 및 근거

ORD 기록
ord-d3963643c9484f4a9eaf6a5f1da4710b
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08492405B2

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