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Hydrochloric Acid → N-[(4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl]-2-[5-(methylthio)-1,3,4-oxadiazol-2-yl]benzenemethanesulfonamide

HRID 980999
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Reaktionsgleichung

Reaktionsgleichung von HRID 980999
[CH3:1][S:2][C:3]1[O:7][C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[CH2:14][S:15]([NH2:18])(=[O:17])=[O:16])=[N:5][N:4]=1.C1([O:25][C:26](=O)[NH:27][C:28]2[N:33]=[C:32]([O:34][CH3:35])[CH:31]=[C:30]([O:36][CH3:37])[N:29]=2)C=CC=CC=1.CCCCC=CCCCCC.Cl>O1CCOCC1.O>[CH3:35][O:34][C:32]1[CH:31]=[C:30]([O:36][CH3:37])[N:29]=[C:28]([NH:27][C:26]([NH:18][S:15]([CH2:14][C:9]2[CH:10]=[CH:11][CH:12]=[CH:13][C:8]=2[C:6]2[O:7][C:3]([S:2][CH3:1])=[N:4][N:5]=2)(=[O:17])=[O:16])=[O:25])[N:33]=1
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Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 1365885-UndeceneHCID 10945667Carbamic acid, N-(4,6-dimethoxy-2-pyrimidinyl)-, phenyl esterHCID 139587772-[5-(Methylthio)-1,3,4-oxadiazol-2-yl]benzenemethanesulfonamide

Produkt 1

HCID 13958778N-[(4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl]-2-[5-(methylthio)-1,3,4-oxadiazol-2-yl]benzenemethanesulfonamide
Ausbeute 25,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

To a solution containing 0.62 g of the sulfonamide prepared in Example 3 contained in 10 ml of p-dioxane was added 0.6 g of phenyl(4.6-dimethoxy pyrimidin-2-yl)carbamate followed by dropwise addition of 0.33 g of 1,5-diazbicyclo[5.4.0]undec-5-ene (DBU). The solution was stirred at room temperature for two hours then diluted with about 100 ml of water. The clear solution was acidified with concentrated hydrochloric acid (red to litmus paper), to give a viscous oil. The oil was triturated by decanting off the aqueous solvent and stirring the oil residue in about 5 ml of acetonitrile. After filtering the suspension, the solid residue was washed with 1×5 ml of warm ethyl acetate to give 0.26 g of the subject compound; m.p. 174°-177° C.

Aufarbeitung

  1. customto give a viscous oil
  2. customThe oil was triturated
  3. customby decanting off the aqueous solvent
  4. stirringstirring the oil residue in about 5 ml of acetonitrile
  5. filtrationAfter filtering the suspension
  6. washthe solid residue was washed with 1×5 ml of warm ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-deced48a00e343958bb3c243a4575419
Quelldatensatz
uspto-grants-1991_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
USH0000890

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