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Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) → HCID 21024034, Verbindung

HRID 1446648
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Reaktionsgleichung

Reaktionsgleichung von HRID 1446648
C1(C)C=CC(S([O-])(=O)=O)=CC=1.[NH+]1C=CC=CC=1.[C:18]([O:21][CH:22]1[C:23]([O:65]C(OCC)C)([CH3:64])[CH2:24][CH2:25][CH:26]([O:58]C(OCC)C)[CH2:27][C:28]([O:30][CH:31](/[C:36](/[CH3:57])=[CH:37]/[CH:38]=[CH:39]/[CH:40]([CH3:56])[CH2:41][CH:42]2[O:55][CH:43]2[CH:44]([CH3:54])[CH:45]([O:48]C(OCC)C)[CH2:46][CH3:47])[CH:32]([CH3:35])[CH:33]=[CH:34]1)=[O:29])(=[O:20])[NH2:19]>CO>[C:18]([O:21][CH:22]1[C:23]([OH:65])([CH3:64])[CH2:24][CH2:25][CH:26]([OH:58])[CH2:27][C:28]([O:30][CH:31](/[C:36](/[CH3:57])=[CH:37]/[CH:38]=[CH:39]/[CH:40]([CH3:56])[CH2:41][CH:42]2[O:55][CH:43]2[CH:44]([CH3:54])[CH:45]([OH:48])[CH2:46][CH3:47])[CH:32]([CH3:35])[CH:33]=[CH:34]1)=[O:29])(=[O:20])[NH2:19]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 466102Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 21024033(8E,12E,14E)-7-Carbamoyloxy-3,6,21-tri(1-ethoxyethoxy)-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide

Produkt 1

HCID 21024034HCID 21024034, VerbindungAusbeute 74,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

Pyridinium p-toluenesulfonate (1.2 mg, 4.8 μmol) was added to a solution of (8E,12E,14E)-7-carbamoyloxy-3,6,21-tri(1-ethoxyethoxy)-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide (3.6 mg, 4.77 μmol) in methanol (1 mL), followed by stirring at room temperature for 3 hours. The reaction mixture was evaporated, ethyl acetate, water and a saturated sodium bicarbonate aqueous solution were added to the resulting residue, and the mixture was extracted with ethyl acetate. The resulting organic layer was dried over anhydrous magnesium sulfate, filtered and then evaporated. The resulting residue was purified by thin layer chromatography (MERCK Silica gel 60 F254, 0.2 mm, developing solution; methanol-dichloromethane, 1:29) to give the title compound (1.9 mg, 74%) as a colorless oil.

Aufarbeitung

  1. customThe reaction mixture was evaporated
  2. additionethyl acetate, water and a saturated sodium bicarbonate aqueous solution were added to the resulting residue
  3. extractionthe mixture was extracted with ethyl acetate
  4. dry with materialThe resulting organic layer was dried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customThe resulting residue was purified by thin layer chromatography (MERCK Silica gel 60 F254, 0.2 mm, developing solution; methanol-dichloromethane, 1:29)

Quellen und Nachweise

ORD-Eintrag
ord-36e688c83b25421a8b159a93aec715c1
Quelldatensatz
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07667052B2

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