Diisopropylethylamine → (2S,5R)-6-(benzyloxy)-3-(((tert-butyldimethylsilyl)oxy)methyl)-7-oxo-1,6-diazabicyclo[3.2.1]oct-3-ene-2-carboxamide

HRID 627187노트

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HRID 627187 반응식
[CH2:1]([O:8][NH:9][C@H:10]1[CH2:15][NH:14][CH:13]([C:16]([NH2:18])=[O:17])[C:12]([CH2:19][O:20][Si:21]([C:24]([CH3:27])([CH3:26])[CH3:25])([CH3:23])[CH3:22])=[CH:11]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(C(C)C)CC)(C)C.Cl[C:38](Cl)([O:40]C(=O)OC(Cl)(Cl)Cl)Cl>C(#N)C.C(OCC)(=O)C>[CH2:1]([O:8][N:9]1[C:38](=[O:40])[N:14]2[CH2:15][C@H:10]1[CH:11]=[C:12]([CH2:19][O:20][Si:21]([C:24]([CH3:27])([CH3:26])[CH3:25])([CH3:22])[CH3:23])[C@H:13]2[C:16]([NH2:18])=[O:17])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

참가 물질

6

반응물 3

HCID 81531DiisopropylethylamineHCID 94429Triphosgene2회HCID 123580399(5R)-5-((benzyloxy)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-1,2,5,6-tetrahydropyridine-2-carboxamide2회

생성물 1

HCID 89852172(2S,5R)-6-(benzyloxy)-3-(((tert-butyldimethylsilyl)oxy)methyl)-7-oxo-1,6-diazabicyclo[3.2.1]oct-3-ene-2-carboxamide수율 110%

시약·촉매·용매 2

HCID 6342Acetonitrile용매2회HCID 8857Ethyl Acetate용매

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온도
0 °C

실험 절차

To a solution of (5R)-5-((benzyloxy)amino)-3-(((tert-butyldimethylsilyl)oxy)methyl)-1,2,5,6-tetrahydropyridine-2-carboxamide (Intermediate 163, 0.562 g, 1.44 mmol) and diisopropylethyl amine (1.000 mL, 5.74 mmol) in acetonitrile (200 mL) at 0° C. was added triphosgene (0.145 g, 0.49 mmol) as a solution in acetonitrile (6 mL). The triphosgene solution was added at a rate of 4 mL/hour. Once addition was complete the reaction was stirred at 0° C. overnight. The reaction mixture was diluted with ethyl acetate and washed with saturated sodium bicarbonate. The aqueous layer was extracted again with EtOAc and then DCM. The combined organic extracts were washed with brine, dried over magnesium sulfate, filtered and concentrated. Silica gel chromatography (0%-100, ethyl acetate/hexanes) afforded the title compound (0.225 g, 37.5%) as a colorless film.

후처리

  1. additionOnce addition
  2. washwashed with saturated sodium bicarbonate
  3. extractionThe aqueous layer was extracted again with EtOAc
  4. washThe combined organic extracts were washed with brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-b0436d15329e42ec9a3e81fcc3d29bca
출처 데이터셋
uspto-grants-2016_04
특허 번호
US09309245B2

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