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Ammonium Chloride → 3-(3-Chloro-8-dimethylaminomethyl-naphthalen-2-yl)-4-(1-methyl-1H-indol-3-yl)-pyrrole-2,5-dione

HRID 505239
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HRID 505239 반응식
CC(C)([O-])C.[K+].CO[C:9](=[O:22])[C:10]([C:12]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[N:14]([CH3:21])[CH:13]=1)=O.[Cl:23][C:24]1[C:25]([CH2:38][C:39]([NH2:41])=[O:40])=[CH:26][C:27]2[C:32]([CH:33]=1)=[CH:31][CH:30]=[CH:29][C:28]=2[CH2:34][N:35]([CH3:37])[CH3:36].[NH4+].[Cl-]>O1CCCC1.CCOC(C)=O>[Cl:23][C:24]1[C:25]([C:38]2[C:39](=[O:40])[NH:41][C:9](=[O:22])[C:10]=2[C:12]2[C:20]3[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=3)[N:14]([CH3:21])[CH:13]=2)=[CH:26][C:27]2[C:32]([CH:33]=1)=[CH:31][CH:30]=[CH:29][C:28]=2[CH2:34][N:35]([CH3:36])[CH3:37]
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참가 물질

7

반응물 4

HCID 25517Ammonium ChlorideHCID 44536752-(1-Methyl-1H-indol-3-YL)-2-oxoacetic acid methyl esterHCID 23665647Potassium tert-butoxideHCID 668825502-(3-Chloro-8-dimethylaminomethyl-naphthalen-2-yl)-acetamide

생성물 1

HCID 594297073-(3-Chloro-8-dimethylaminomethyl-naphthalen-2-yl)-4-(1-methyl-1H-indol-3-yl)-pyrrole-2,5-dione수율 12.7%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매HCID 8857Ethyl Acetate용매

실험 절차

Potassium tert-butoxide (1.0 M in THF, 0.26 ml, 0.26 mmol, 3.0 equiv) was added at room temperature under an atmosphere of argon to a solution of (1-methyl-1H-indol-3-yl)-oxo-acetic acid methyl ester (24 mg, 0.11 mmol, 1.3 equiv) and of crude 2-(3-chloro-8-dimethylaminomethyl-naphthalen-2-yl)-acetamide (24 mg) in anhydrous tetrahydrofuran (2.5 ml, dried over molecular sieves). The reaction mixture was stirred for 1 hour at room temperature. It was then diluted with EtOAc and poured into a saturated aqueous NH4Cl solution. After three extractions with EtOAc, the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. Purification of the residue via preparative HPLC afforded the title compound (4.9 mg, 4% for two steps) as its trifluoroacetate salt. 1H NMR (400 MHz, d6-DMSO): δ=11.20 (s, 1H), 8.56 (s, 1H), 8.15 (s, 1H), 8.02 (s, 1H), 8.01-7.92 (m, 1H), 7.80-7.70 (m, 1H), 7.62-7.57 (m, 1H), 7.42 (d, J=8.1 Hz, 1H), 7.00 (t, J=7.9 Hz, 1H), 6.45 (t, J=7.5 Hz, 1H), 6.23 (d, J=8.0 Hz, 1H), 4.85-4.65 (br d, 2H), 3.87 (s, 3H), 2,85 (br s, 3H), 2.76 (br s, 3H). MS (ES+): 444 (M+H)+.

후처리

  1. extractionAfter three extractions with EtOAc
  2. dry with materialthe combined organic layers were dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customPurification of the residue via preparative HPLC

출처 및 근거

ORD 기록
ord-27fe667cfad646bbb480f712b9a67b64
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07781438B2

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