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2,2-Dimethoxypropane → ((3aR,4R,6R,6aS)-6-(5-Iodo-6-methoxy-2-(methylthio)pyrimidin-4-ylamino)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)methanol

HRID 1507478
ノート
印刷プレビュー

反応式

HRID 1507478 の反応式
[OH:1][CH2:2][C@H:3]1[CH2:7][C@@H:6]([NH:8][C:9]2[C:14]([I:15])=[C:13]([O:16][CH3:17])[N:12]=[C:11]([S:18][CH3:19])[N:10]=2)[C@H:5]([OH:20])[C@@H:4]1[OH:21].CO[C:24](OC)([CH3:26])[CH3:25].CCN(CC)CC>CC(C)=O.CS(O)(=O)=O>[I:15][C:14]1[C:9]([NH:8][C@H:6]2[C@@H:5]3[O:20][C:24]([CH3:26])([CH3:25])[O:21][C@@H:4]3[C@@H:3]([CH2:2][OH:1])[CH2:7]2)=[N:10][C:11]([S:18][CH3:19])=[N:12][C:13]=1[O:16][CH3:17]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 64952,2-DimethoxypropaneHCID 8471TriethylamineHCID 117677905(1S,2R,3R,5R)-3-(Hydroxymethyl)-5-(5-iodo-6-methoxy-2-(methylthio)pyrimidin-4-ylamino)cyclopentane-1,2-diol

生成物 1

HCID 117677839((3aR,4R,6R,6aS)-6-(5-Iodo-6-methoxy-2-(methylthio)pyrimidin-4-ylamino)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)methanol

試薬・触媒・溶媒 2

HCID 6395
Methanesulfonic Acid
触媒
HCID 180Acetone溶媒

反応条件

温度
0 °C

実験手順

Compound 5 (4.00 g, 9.36 mmol) was dissolved in acetone (10 mL) and 2,2-dimethoxypropane (5.75 mL, 46.8 mmol) was added. The solution was cooled to 0° C. and methanesulfonic acid (2 drops) was added. The solution was stirred for 15 min and Et3N (1 mL) was added. The acetone was evaporated and the residue was dissolved in EtOAc, washed with water and brine, dried (MgSO4), filtered and concentrated. The residue was purified via column chromatography on silica gel (EtOAc/hexanes) to give the title compound as a white solid. 1H NMR (CDCl3) δ 6.21 (d, J=8 Hz, 1H), 4.65-4.59 (m, 2H), 4.45-4.44 (m, 1H), 3.94 (s, 3H), 3.89-3.85 (m, 1H), 3.76-3.73 (m, 1H), 2.61-2.55 (m, 1H), 2.52 (s, 3H), 2.40-2.34 (m, 1H), 1.85 (br s, 1H), 1.65-1.57 (m, 2H), 1.49 (s, 3H), 1.28 (s, 3H); LCMS 2.54 min, 468 (M+H).

後処理

  1. customThe acetone was evaporated
  2. dissolutionthe residue was dissolved in EtOAc
  3. washwashed with water and brine
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified via column chromatography on silica gel (EtOAc/hexanes)

出典と根拠

ORDレコード
ord-29b201806dd549258b9d8e9107ad2337
出典データセット
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09221809B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート