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4-Methylmorpholine → benzhydryl (6R,7R)-3-(chloromethyl)-7-[[(2Z)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyimino-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

HRID 525865
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HRID 525865 반응식
[C:1]([O:5][C:6](=[O:29])[C:7]([O:10]/[N:11]=[C:12](/[C:16]1[N:17]=[C:18]([NH:21][C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[S:19][CH:20]=1)\[C:13](O)=[O:14])([CH3:9])[CH3:8])([CH3:4])([CH3:3])[CH3:2].Cl.[NH2:31][C@@H:32]1[C:39](=[O:40])[N:38]2[C@@H:33]1[S:34][CH2:35][C:36]([CH2:57][Cl:58])=[C:37]2[C:41]([O:43][CH:44]([C:51]1[CH:56]=[CH:55][CH:54]=[CH:53][CH:52]=1)[C:45]1[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=1)=[O:42].P(Cl)(Cl)(=O)OC1C=CC=CC=1.CN1CCOCC1>ClCCl>[C:1]([O:5][C:6](=[O:29])[C:7]([O:10]/[N:11]=[C:12](/[C:16]1[N:17]=[C:18]([NH:21][C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[S:19][CH:20]=1)\[C:13]([NH:31][C@@H:32]1[C:39](=[O:40])[N:38]2[C@@H:33]1[S:34][CH2:35][C:36]([CH2:57][Cl:58])=[C:37]2[C:41]([O:43][CH:44]([C:45]1[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=1)[C:51]1[CH:56]=[CH:55][CH:54]=[CH:53][CH:52]=1)=[O:42])=[O:14])([CH3:9])[CH3:8])([CH3:2])([CH3:3])[CH3:4]
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6

반응물 4

HCID 79724-MethylmorpholineHCID 13038Phosphorodichloridic acid, phenyl esterHCID 132396287-Amino-3-chloromethyl-3-cephem-4-carboxylic acid diphenylmethyl ester hydrochlorideHCID 189632922-(((1-(tert-Butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)acetic acid

생성물 1

HCID 90373380
benzhydryl (6R,7R)-3-(chloromethyl)-7-[[(2Z)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyimino-2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-thiazol-4-yl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
수율 71.6%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
-40 °C

실험 절차

To a solution of (Z)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)acetic acid (30.5 g, 71.0 mmol) and (6R,7R)-benzhydryl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, hydrochloride (32.1 g, 71.0 mmol) in dichloromethane (500 mL), stirred under nitrogen at −30° C., was added neat phenyl phosphorodichloridate (12.93 mL, 85 mmol). The reaction mixture was cooled to −40° C. and N-methylmorpholine (23.42 mL, 213 mmol) was added dropwise over 30 min, and stirred for an additional 2 hours at −40° C. The reaction was then quenched by addition of 150 mL of a 10% aq. solution of citric acid, and the phases were separated. The organic phase was concentrated and the residue was then dissolved in 500 mL of ethyl acetate. The organic solution was washed with 100 mL of a 5% aq. sodium bicarbonate, 100 mL of brine, dried over sodium sulfate, concentrated under reduced pressure, and the residue was purified on a 330 g silica gel column eluting with 0-80% ethyl acetate in hexanes to afford (6R,7R)-benzhydryl 7-((Z)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)acetamido)-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (42 g, 50.8 mmol, 71.6% yield). 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 1.42 (s, 9 H) 1.55 (s, 9 H) 1.63 (s, 3 H) 1.66 (s, 3 H) 3.52 (d, J=18.19 Hz, 1 H) 3.66 (d, J=18.19 Hz, 1 H) 4.43 (d, J=4.29 Hz, 2 H) 5.12 (d, J=5.05 Hz, 1 H) 6.08 (dd. J=8.84, 5.05 Hz, 1 H) 6.99 (s, 1 H) 7.30-7.49 (m, 12 H) 8.25 (d, J=8.84 Hz, 1 H). LCMS: (M+H)+: 826.5.

후처리

  1. customThe reaction was then quenched by addition of 150 mL of a 10% aq. solution of citric acid
  2. customthe phases were separated
  3. concentrationThe organic phase was concentrated
  4. dissolutionthe residue was then dissolved in 500 mL of ethyl acetate
  5. washThe organic solution was washed with 100 mL of a 5% aq. sodium bicarbonate, 100 mL of brine
  6. dry with materialdried over sodium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customthe residue was purified on a 330 g silica gel column
  9. washeluting with 0-80% ethyl acetate in hexanes

출처 및 근거

ORD 기록
ord-1ec21961345e4a7da4ea7be9357413da
출처 데이터셋
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09340556B2

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