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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
ノート
印刷プレビュー

反応式

HRID 453594 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 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

生成物 1

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

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒HCID 8471Triethylamine溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-d3963643c9484f4a9eaf6a5f1da4710b
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08492405B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート