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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Phosphate → (5R,6Z)-6-(6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-ylmethylene)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

HRID 1158923
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인쇄 미리보기

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HRID 1158923 반응식
C(O[CH:5]([C:28]1[CH:36]=[C:31]2[CH2:32][O:33][CH2:34][CH2:35][N:30]2[N:29]=1)[C:6]1(Br)[C:12](=[O:13])[N:11]2[C@@H:7]1[S:8][CH:9]=[C:10]2[C:14]([O:16]CC1C=CC([N+]([O-])=O)=CC=1)=[O:15])(=O)C.P([O-])([O-])([O-])=O>C1COCC1.[Pd]>[N:29]1[N:30]2[C:31]([CH2:32][O:33][CH2:34][CH2:35]2)=[CH:36][C:28]=1/[CH:5]=[C:6]1\[C@@H:7]2[N:11]([C:12]\1=[O:13])[C:10]([C:14]([OH:16])=[O:15])=[CH:9][S:8]2
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참가 물질

5

반응물 2

HCID 1061PhosphateHCID 118472844-nitrobenzyl (5R)-6-[(acetyloxy)(6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-yl)methyl]-6-bromo-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

생성물 1

HCID 11847461(5R,6Z)-6-(6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-ylmethylene)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid수율 49.1%

시약·촉매·용매 2

HCID 23938Palladium촉매
HCID 8028
Tetrahydrofuran
용매

실험 절차

To a solution of 4-nitrobenzyl (5R)-6-[(acetyloxy)(6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-yl)methyl]-6-bromo-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate (0.35 g, 0.6 mmol) in THF (20 ml), under nitrogen, was added 20 ml of a phosphate buffer solution (0.5M, pH 6.5), and 120 mg of 10% Pd/C. The mixture was hydrogenated at 40-50 psi for 3 hr, and then filtered through Celite. The filter pad was washed with THF, and the filtrate was extracted with ethyl acetate. The organic extract was dried over anhydrous magnesium sulfate and evaporated. The residue was washed with ether to give 0.09 g of a yellow solid; HRMS: calcd for C13H11N3O4S, 305.0470; found (ESI+), 306.05434; 1H NMR (DMSO-d6) δ 4.07-4.09 (t, 2H), 4.13-4.17 (t, 2H), 4.82 (s, 2H), 6.36 (s, 1H), 6.55 (s, 1H), 7.17 (s, 1H), 7.55 (s, 1H), 12.80 (bs, 1H).

후처리

  1. filtrationfiltered through Celite
  2. washThe filter pad was washed with THF
  3. extractionthe filtrate was extracted with ethyl acetate
  4. extractionThe organic extract
  5. dry with materialwas dried over anhydrous magnesium sulfate
  6. customevaporated
  7. washThe residue was washed with ether

출처 및 근거

ORD 기록
ord-0e3cffb7efd7423a9170572b68ec7f98
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07812014B2

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