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Hydrochloric Acid → 4-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenylamino]-5,8-dihydro-6H-9-thia-1,3,7-triaza-fluorene-7-carboxylic acid tert-butyl ester

HRID 1887410
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HRID 1887410 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:20][C:19]2[S:18][C:17]3[N:16]=[CH:15][N:14]=[C:13](Cl)[C:12]=3[C:11]=2[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[Cl:22][C:23]1[CH:24]=[C:25]([NH2:37])[CH:26]=[CH:27][C:28]=1[O:29][CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][N:32]=1.Cl>C(O)(C)C.O1CCOCC1>[C:1]([O:5][C:6]([N:8]1[CH2:20][C:19]2[S:18][C:17]3[N:16]=[CH:15][N:14]=[C:13]([NH:37][C:25]4[CH:26]=[CH:27][C:28]([O:29][CH2:30][C:31]5[CH:36]=[CH:35][CH:34]=[CH:33][N:32]=5)=[C:23]([Cl:22])[CH:24]=4)[C:12]=3[C:11]=2[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 167812123-Chloro-4-(2-pyridylmethoxy)anilineHCID 49788563tert-Butyl 4-chloro-5,6-dihydropyrido(4',3':4,5)thieno(2,3-d)pyrimidine-7(8H)-carboxylate

생성물 1

HCID 595869744-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenylamino]-5,8-dihydro-6H-9-thia-1,3,7-triaza-fluorene-7-carboxylic acid tert-butyl ester수율 95.4%

시약·촉매·용매 2

HCID 3776
Isopropanol
용매
HCID 312751,4-Dioxane용매

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온도
80 °C

실험 절차

To a 4-Chloro-5,8-dihydro-6H-9-thia-1,3,7-triaza-fluorene-7-carboxylic acid tert-butyl ester (3.08 g, 9.40 mmol, 1.05 equiv) in 40 mL of isopropyl alcohol solution was added 3-Chloro-4-(pyridin-2-ylmethoxy)phenylamine (2.10 g, 9.0 mmol, 1 equiv) at rt. 4 N HCl in dioxane (0.1 mL) was added to the reaction mixture to accelerate the reaction. The reaction mixture was heated at 80° C. for 16 h. The mixture was allowed to cool to rt then filtered and washed with IPA (50 mL). DCM (100 mL) and sat. sodium bicarbonate (100 mL) were added to the solid. The mixture was stirred at rt for 1 h before separated the layers. The organic layer was dried over sodium sulfate, filtered and concentrated in vacuo to yield 4.50 g of crude material. The crude material was purified by flash chromatography (50% THF/DCM) to yield a light yellow (3.60 g, 6.87 mmol, 76%) as product. 1H-NMR (DMSO-d6) δ 9.32 (broad s, 1H), 8.67 (d, J=4.0 Hz, 1H), 8.40 (s, 1H), 8.27 (s, 1H), 8.05 (t, 1H), 7.79 (d, J=2.7 Hz, 1H), 7.70 (d, J=8.0 Hz, 1H), 7.53 (t, 1H), 7.24 (d, J=8.9 Hz, 1H), 5.35 (s, 2H), 4.66 (s, 2H), 3.66 (t, 2H), 3.19 (t, 2H), 1.43 (s, 9H); LCMS RT=3.39 min, [M+H]+=524.0.

후처리

  1. customthe reaction
  2. temperatureto cool to rt
  3. filtrationthen filtered
  4. washwashed with IPA (50 mL)
  5. additionDCM (100 mL) and sat. sodium bicarbonate (100 mL) were added to the solid
  6. custombefore separated the layers
  7. dry with materialThe organic layer was dried over sodium sulfate
  8. filtrationfiltered
  9. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-8d14335fcf474156b0fa274675c55c97
출처 데이터셋
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08501755B2

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