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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Dicyclohexylcarbodiimide → 7-[[(1-Pyrryl)acetyl]amino]-3-[[(5-methyl-1,3,4-thia-diazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

HRID 26581
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HRID 26581 반응식
C(=O)(O)[O-].[Na+].[CH3:6][C:7]1[S:11][C:10]([S:12][CH2:13][C:14]2[CH2:21][S:20][CH:19]3[N:16]([C:17](=[O:23])[CH:18]3[NH2:22])[C:15]=2[C:24]([OH:26])=[O:25])=[N:9][N:8]=1.C1(N=C=NC2CCCCC2)CCCCC1.[N:42]1([CH2:47][C:48](O)=[O:49])[CH:46]=[CH:45][CH:44]=[CH:43]1.N=C=N>O1CCOCC1.O>[N:42]1([CH2:47][C:48]([NH:22][CH:18]2[C:17](=[O:23])[N:16]3[CH:19]2[S:20][CH2:21][C:14]([CH2:13][S:12][C:10]2[S:11][C:7]([CH3:6])=[N:8][N:9]=2)=[C:15]3[C:24]([OH:26])=[O:25])=[O:49])[CH:46]=[CH:45][CH:44]=[CH:43]1
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참가 물질

8

반응물 5

HCID 10868DicyclohexylcarbodiimideHCID 160435CarbodiimideHCID 2420271H-Pyrrol-1-ylacetic acidHCID 516892Sodium BicarbonateHCID 31498227-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

생성물 1

HCID 57202640
7-[[(1-Pyrryl)acetyl]amino]-3-[[(5-methyl-1,3,4-thia-diazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

시약·촉매·용매 2

HCID 962Water용매HCID 312751,4-Dioxane용매

실험 절차

(1-Pyrryl)acetic is added to water, the pH of which is adjusted to about 6.5 by the addition of sodium bicarbonate. This solution is cooled in an ice bath and to it is added one equivalent of 3-[[(5 methyl - 1, 3, 4-thiadiazol-2-yl) thio]methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (7-ATDCA) followed by N, N'-dicyclohexylcarbodiimide in cold dioxane. The mole ratio of (1-pyrryl) acetic acid/7-ATDCA/carbodiimide is 3/1/1. After standing overnight at ice bath temperature, the reaction mixture is filtered to remove solids. The filtrate is evaporated to dryness, the solids taken up in ethyl acetate, dried over magnesium sulfate and filtered. The ethyl acetate solution is concentrated and then treated with hexane. The title compound precipitates from solution is filtered and dried. EXAMPLE 6

후처리

  1. temperatureThis solution is cooled in an ice bath and to it
  2. filtrationtemperature, the reaction mixture is filtered
  3. customto remove solids
  4. customThe filtrate is evaporated to dryness
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationThe ethyl acetate solution is concentrated
  8. additiontreated with hexane
  9. customThe title compound precipitates from solution
  10. filtrationis filtered
  11. customdried

출처 및 근거

ORD 기록
ord-bbc0e2fe771e45e4926192ad2c649d57
출처 데이터셋
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04150224

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