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EDTA disodium salt → {(3aR,4R,6R,6aR)-6-[6-(4-Fluorobenzyl)-9H-purin-9-yl]-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl}methyl acetate

HRID 552717
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HRID 552717 반응식
[C:1]([O:4][CH2:5][C@@H:6]1[C@@H:13]2[C@@H:9]([O:10][C:11]([CH3:15])([CH3:14])[O:12]2)[C@H:8]([N:16]2[CH:24]=[N:23][C:22]3[C:17]2=[N:18][CH:19]=[N:20][C:21]=3Cl)[O:7]1)(=[O:3])[CH3:2].[Cl-].[F:27][C:28]1[CH:35]=[CH:34][C:31]([CH2:32][Zn+])=[CH:30][CH:29]=1.[NH4+].[Cl-].C(N(CC([O-])=O)CC(O)=O)CN(CC([O-])=O)CC(O)=O.[Na+].[Na+]>O1CCCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:4][CH2:5][C@@H:6]1[C@@H:13]2[C@@H:9]([O:10][C:11]([CH3:15])([CH3:14])[O:12]2)[C@H:8]([N:16]2[CH:24]=[N:23][C:22]3[C:17]2=[N:18][CH:19]=[N:20][C:21]=3[CH2:32][C:31]2[CH:34]=[CH:35][C:28]([F:27])=[CH:29][CH:30]=2)[O:7]1)(=[O:3])[CH3:2]
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HCID 8759EDTA disodium saltHCID 25517Ammonium ChlorideHCID 86607315((3aR,4R,6R,6aR)-6-(6-chloro-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl acetateHCID 178505764HCID 178505764, 화합물

생성물 1

HCID 67164294{(3aR,4R,6R,6aR)-6-[6-(4-Fluorobenzyl)-9H-purin-9-yl]-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl}methyl acetate
수율 73%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 8028Tetrahydrofuran용매2회

실험 절차

[(3aR,4R,6R,6aR)-6-(6-Chloro-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]methyl acetate (369 mg, 0.00100 mol) and tetrakis(triphenylphosphine)palladium(0) (58 mg, 0.000050 mol) were dissolved in tetrahydrofuran (10 mL) at room temperature under nitrogen. 0.5 M of 4-fluorobenzylzinc chloride in tetrahydrofuran (3 mL) was added dropwise over 10 min. The solution was stirred under nitrogen at room temperature for 15 min then heated at 60° C. for 3 h. The reaction was allowed to cool to r.t then poured on saturated NH4Cl (10 mL). Saturated Na2EDTA (10 mL) was added and the solution extracted three times with EtOAc. The organics were pooled and extracted twice with saturated Na2EDTA then once with brine, dried over Na2SO4 and concentrated in vacuo. The residue was purified by flash chromatography (DCM/EtOAc 10% to 50%) to obtain the product (322 mg, 73%) as an oil.

후처리

  1. temperaturethen heated at 60° C. for 3 h
  2. temperatureto cool
  3. extractionthe solution extracted three times with EtOAc
  4. extractionextracted twice with saturated Na2EDTA
  5. dry with materialonce with brine, dried over Na2SO4
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by flash chromatography (DCM/EtOAc 10% to 50%)

출처 및 근거

ORD 기록
ord-602aae8bd26141b699a258d8e039412d
출처 데이터셋
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07951810B2

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