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Triethylamine → HCID 86701115, 화합물

HRID 1396273
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HRID 1396273 반응식
[CH2:1]([O:8][C@@H:9]1[C@@H:17]([CH2:18][OH:19])[O:16][C@H:15]2[C@H:11]([N:12]=[C:13]([N:20]([CH3:22])[CH3:21])[S:14]2)[C@H:10]1[O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:31][S:32](Cl)(=[O:34])=[O:33].C(N(CC)CC)C>ClCCl>[CH3:31][S:32]([O:19][CH2:18][C@H:17]1[O:16][C@H:15]2[C@H:11]([N:12]=[C:13]([N:20]([CH3:22])[CH3:21])[S:14]2)[C@@H:10]([O:23][CH2:24][C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=2)[C@@H:9]1[O:8][CH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)(=[O:34])=[O:33]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 69081709HCID 69081709, 화합물

생성물 1

HCID 86701115HCID 86701115, 화합물수율 93.2%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of ((3aR,5R,6S,7R,7aR)-6,7-bis(benzyloxy)-2-(dimethylamino)-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazol-5-yl)methanol (94) (8 g, 18 mmol) (Prepared according to the synthesis of Example 149, step 2) in dichloromethane (50 mL) was added methanesulfonyl chloride (4.3 g, 37 mmol) and triethylamine (3.8 g, 37 mmol) at 0° C. After kept 2 hours at 25° C., the reaction was quenched by water (50 mL) and extracted with dichloromethane (3×50 mL). The combined organic layer was washed with brine (2×30 mL), dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure to give a residue, which was purified by a silica gel column, eluted with 20%-30% ethyl acetate in petroleum ether to afford the title compound as a brown syrup (8.5 g, 90%); (ES, m/z) [M+H]+ 507.0; 1HNMR (300 MHz, CDCl3) δ 7.28-7.48 (m, 10H), 6.38 (d, J=6.6 Hz, 1H), 5.04-5.08 (m, 1H), 4.72-4.86 (m, 4H), 4.19-4.24 (m, 3H), 3.70-3.83 (m, 1H), 3.56-3.58 (m, 1H), 3.19 (s, 3H), 2.94 (s, 6H).

후처리

  1. customthe reaction was quenched by water (50 mL)
  2. extractionextracted with dichloromethane (3×50 mL)
  3. washThe combined organic layer was washed with brine (2×30 mL)
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customto give a residue, which
  8. customwas purified by a silica gel column
  9. washeluted with 20%-30% ethyl acetate in petroleum ether

출처 및 근거

ORD 기록
ord-d277415514954d9a85e91a215fbaa9b4
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08901087B2

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