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1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → Ethyl 6-chloro-7-(4-(2,4-dichloro-6-methoxyphenethylcarbamoyl)phenoxy)chroman-4-carboxylate

HRID 1048192
ノート
印刷プレビュー

反応式

HRID 1048192 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][C:13]1[CH:21]=[CH:20][C:16]([C:17](O)=[O:18])=[CH:15][CH:14]=1)[O:8][CH2:7][CH2:6][CH:5]2[C:22]([O:24][CH2:25][CH3:26])=[O:23].O.ON1C2C=CC=CC=2N=N1.[Cl:38][C:39]1[CH:44]=[C:43]([Cl:45])[CH:42]=[C:41]([O:46][CH3:47])[C:40]=1[CH2:48][CH2:49][NH2:50].Cl.C(N=C=NCCCN(C)C)C>CN(C=O)C.O>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][C:13]1[CH:21]=[CH:20][C:16]([C:17](=[O:18])[NH:50][CH2:49][CH2:48][C:40]3[C:41]([O:46][CH3:47])=[CH:42][C:43]([Cl:45])=[CH:44][C:39]=3[Cl:38])=[CH:15][CH:14]=1)[O:8][CH2:7][CH2:6][CH:5]2[C:22]([O:24][CH2:25][CH3:26])=[O:23]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 582443954-(6-Chloro-4-(ethoxycarbonyl)chroman-7-yloxy)benzoic acidHCID 670803092-(2,4-Dichloro-6-methoxyphenyl)ethanamine

生成物 1

HCID 67080749Ethyl 6-chloro-7-(4-(2,4-dichloro-6-methoxyphenethylcarbamoyl)phenoxy)chroman-4-carboxylate
収率 48.4%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

To a stirred solution of 4-(6-chloro-4-(ethoxycarbonyl)chroman-7-yloxy)benzoic acid (Preparation 1; 0.75 g; 2.0 mmol), 1-hydroxybenzotriazole hydrate, and 2-(2,4-dichloro-6-methoxyphenyl)ethanamine (Preparation 7; 0.48 g, 2.19 mmol) in 6 mL DMF at ambient temperature was added solid 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.46 g; 2.4 mmol). The resulting solution was stirred at ambient temperature overnight for convenience. The solution was diluted with 60 mL water and after stirring for 10 minutes, the mixture was transferred to a separatory funnel and extracted with 30 mL EtOAc. 1M HCl (30 mL) was added to enable layer separation. The organic layer was dried over sodium sulfate and evaporated. The residue was purified by silica gel chromatography on a Biotage 40M column, eluting with 70/30 hexane/EtOAc, to give 0.56 g of ethyl 6-chloro-7-(4-(2,4-dichloro-6-methoxyphenethylcarbamoyl)phenoxy)chroman-4-carboxylate as a white glass. MS (apci, pos) m/z=578.

後処理

  1. stirringafter stirring for 10 minutes
  2. customthe mixture was transferred to a separatory funnel
  3. extractionextracted with 30 mL EtOAc
  4. addition1M HCl (30 mL) was added
  5. customlayer separation
  6. dry with materialThe organic layer was dried over sodium sulfate
  7. customevaporated
  8. customThe residue was purified by silica gel chromatography on a Biotage 40M column
  9. washeluting with 70/30 hexane/EtOAc

出典と根拠

ORDレコード
ord-574dfa209c5a41bd8e77382f655264bd
出典データセット
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08569522B2

反応ノート

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