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Pyridine → N2-(2-chloro-4-(dimethylcarbamoyl)phenyl)-N8-ethyl-N2-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2,8-dicarboxamide

HRID 2079005
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HRID 2079005 반응식
[Cl:1][C:2]1[CH:7]=[C:6]([C:8](=[O:12])[N:9]([CH3:11])[CH3:10])[CH:5]=[CH:4][C:3]=1[N:13]([CH3:33])[C:14]([C:16]1[S:32][C:19]2[C:20]3[CH:28]=[CH:27][C:26]([C:29](O)=[O:30])=[CH:25][C:21]=3[O:22][CH2:23][CH2:24][C:18]=2[CH:17]=1)=[O:15].[CH2:34]([NH2:36])[CH3:35].N1C=CC=CC=1>O=S(Cl)Cl.C1COCC1>[Cl:1][C:2]1[CH:7]=[C:6]([C:8](=[O:12])[N:9]([CH3:10])[CH3:11])[CH:5]=[CH:4][C:3]=1[N:13]([CH3:33])[C:14]([C:16]1[S:32][C:19]2[C:20]3[CH:28]=[CH:27][C:26]([C:29]([NH:36][CH2:34][CH3:35])=[O:30])=[CH:25][C:21]=3[O:22][CH2:23][CH2:24][C:18]=2[CH:17]=1)=[O:15]
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참가 물질

6

반응물 3

HCID 1049PyridineHCID 6341EthylamineHCID 568342692-((2-Chloro-4-(dimethylcarbamoyl)phenyl)(methyl) carbamoyl)-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxylic acid

생성물 1

HCID 57900236N2-(2-chloro-4-(dimethylcarbamoyl)phenyl)-N8-ethyl-N2-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2,8-dicarboxamide수율 31%

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
2회
HCID 24386Thionyl Chloride용매

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온도
95 °C

실험 절차

2-((2-Chloro-4-(dimethylcarbamoyl)phenyl)(methyl)carbamoyl)-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxylic acid (0.15 g, 0.31 mmol) was dissolved in SOCl2 (10 mL). The solution was heated at 90-100° C. for 3 hours. Removal of the rest SOCl2 gave the crude product. A solution of the crude acid chloride in THF (12 mL) was treated with a solution of ethanamine (0.14 g, 3.1 mmol) and Pyridine (0.3 mL) in THF (8 mL) at 0° C. The reaction mixture was allowed to reach room temperature and stirred overnight. Concentrated to remove THF to afford the crude product, it was purified by preparative TLC to obtain 347 (48.5 mg, 31%). ESI-MS: 512. 1H NMR (CDCl3, 400 MHz): δ7.59 (s, 1H, ArH), 7.44-7.32 (m, 5H, ArH), 6.95 (s, 1H, ═CH), 6.12 (s, 1H, NH), 4.23 (t, J=5.0 Hz, 2H, CH2), 3.51-3.44 (m, 2H, CH2), 3.39 (s, 3H, CH3), 3.13 (s, 3H, CH3), 3.05 (t, J=5.0 Hz, 2H, CH2), 3.02 (s, 3H, CH3), 1.24 (t, J=7.2 Hz, 3H, CH3).

후처리

  1. customRemoval of the rest SOCl2
  2. customgave the crude product
  3. customto reach room temperature
  4. concentrationConcentrated
  5. customto remove THF
  6. customto afford the crude product, it
  7. customwas purified by preparative TLC

출처 및 근거

ORD 기록
ord-99a72da68b3146ce94b3db431f93a68d
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07928248B2

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