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Sodium hydride → HCID 69085628, 화합물

HRID 1396230
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HRID 1396230 반응식
[Si:1]([O:8][CH2:9][C@H:10]1[O:18][C@H:17]2[C@H:13]([N:14]=[C:15]([N:19]([CH3:21])[CH3:20])[S:16]2)[C@@H:12]([OH:22])[C@@H:11]1[OH:23])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[H-].[Na+].Br[CH2:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=1>CN(C=O)C>[Si:1]([O:8][CH2:9][C@H:10]1[O:18][C@H:17]2[C@H:13]([N:14]=[C:15]([N:19]([CH3:20])[CH3:21])[S:16]2)[C@@H:12]([O:22][CH2:27][C:28]2[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=2)[C@@H:11]1[O:23][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=1)([C:4]([CH3:7])([CH3:5])[CH3:6])([CH3:3])[CH3:2]
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참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 1650214-Methoxybenzyl bromideHCID 69084851HCID 69084851, 화합물

생성물 1

HCID 69085628HCID 69085628, 화합물수율 72.1%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of (3aR,5R,6S,7R,7aR)-5-((tert-butyldimethylsilyloxy)methyl)-2-(dimethylamino)-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diol (1 g, 2.76 mmol) in DMF (20 mL) was added sodium hydride (568 mg, 16.6 mmol, 70%) at 15° C., and followed by addition of 1-(bromomethyl)-4-methoxybenzene (2.22 g, 11.0 mmol). The resulting solution was stirred for 3 h at room temperature, quenched by addition of cold water (50 mL), and extracted with dichloromethane (3×50 mL). The combined organic layers were dried over anhydrous magnesium sulfate and concentrated to give a residue, which was purified by silica gel column, eluted with 10-25% ethyl acetate in petroleum ether to give compound 9 as a yellow oil (1.2 g, 64%). (ES, m/z): [M+H]+ 603.1; 1H NMR (300 MHz, CDCl3) δ 7.22-7.35 (m, 4H), 6.84-6.92 (m, 4H), 6.27-6.29 (d, J=6.6 Hz, 1H), 4.60-4.76 (m, 4H), 4.36-4.43 (m, 2H), 4.10-4.17 (m, 2H), 3.81 (s, 6H), 3.72 (m, 1H), 3.61 (m, 1H), 2.99 (s, 6H), 0.83 (s, 9H), 0.07 (s, 6H).

후처리

  1. customquenched by addition of cold water (50 mL)
  2. extractionextracted with dichloromethane (3×50 mL)
  3. dry with materialThe combined organic layers were dried over anhydrous magnesium sulfate
  4. concentrationconcentrated
  5. customto give a residue, which
  6. customwas purified by silica gel column
  7. washeluted with 10-25% ethyl acetate in petroleum ether

출처 및 근거

ORD 기록
ord-81c974bf49f74da3bf04a3776b7d5926
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08901087B2

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