2,3-Dihydroxybutanedioic Acid → HCID 86737340, Verbindung

HRID 224912Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 224912
[CH3:1][CH2:2][C@H:3]1[O:21][C:19](=[O:20])[CH2:18][C@@H:17]([OH:22])[C@H:16]([CH3:23])[C@@H:15]([O:24][C@@H:25]2[O:30][C@H:29]([CH3:31])[CH2:28][C@H:27]([N:32]([CH3:34])[CH3:33])[C@H:26]2[OH:35])[C@@H:14]([CH2:36][CH:37]=[O:38])[CH2:13][C@@H:12]([CH3:39])[C:10](=[O:11])[CH:9]=[CH:8][C@:6]2([CH3:40])[O:7][C@H:5]2[C@@H:4]1[CH3:41].[C:42]([OH:51])(=[O:50])[CH:43]([CH:45]([C:47]([OH:49])=[O:48])[OH:46])[OH:44].O>C(OCC)C.C(O)C>[CH3:1][CH2:2][C@H:3]1[O:21][C:19](=[O:20])[CH2:18][C@@H:17]([OH:22])[C@H:16]([CH3:23])[C@@H:15]([O:24][C@@H:25]2[O:30][C@H:29]([CH3:31])[CH2:28][C@H:27]([N:32]([CH3:33])[CH3:34])[C@H:26]2[OH:35])[C@@H:14]([CH2:36][CH:37]=[O:38])[CH2:13][C@@H:12]([CH3:39])[C:10](=[O:11])[CH:9]=[CH:8][C@:6]2([CH3:40])[O:7][C@H:5]2[C@@H:4]1[CH3:41].[C:47]([CH:45]([CH:43]([C:42]([O-:51])=[O:50])[OH:44])[OH:46])([O-:49])=[O:48]

Komponenten

6

Edukt 3

HCID 8752,3-Dihydroxybutanedioic AcidHCID 962WaterHCID 6537204Rosaramicin

Produkt 1

HCID 86737340HCID 86737340, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702EthanolLösungsmittelHCID 3283Diethyl EtherLösungsmittel

Versuchsvorschrift

Dissolve 1 gm of rosaramicin in 50 ml of diethyl ether; add a solution of 250 mg of tartaric acid in 1.5 ml of ethanol. Stir the resulting mixture for about 15 minutes, then filter the precipitated salt. Wash the precipitate with diethyl ether; dry the precipitate and obtain thereby the title product, m.p. 129°-134° C., [α]D20 =-12° (C=0.3% water).

Aufarbeitung

  1. filtrationfilter the precipitated salt
  2. washWash the precipitate with diethyl ether
  3. customdry the precipitate
  4. customobtain

Quellen und Nachweise

ORD-Eintrag
ord-0afc1159686244c682fd8bacb0471118
Quelldatensatz
uspto-grants-1980_11
Patentnummer
US04234690

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