Itaconic acid → Lactic acid itaconic acid epsilon-caprolactone

HRID 853961

Reaktionsgleichung

Reaktionsgleichung von HRID 853961
[C:1]([OH:6])(=[O:5])[C@H:2]([CH3:4])[OH:3].[C:7]([OH:15])(=[O:14])[C:8]([CH2:10][C:11]([OH:13])=[O:12])=[CH2:9].[C:16]1(=[O:23])[O:22][CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]1.OCC(CO)(CO)CO.[Sn+2]>>[C:1]([OH:6])(=[O:5])[CH:2]([CH3:4])[OH:3].[C:7]([OH:15])(=[O:14])[C:8]([CH2:10][C:11]([OH:13])=[O:12])=[CH2:9].[C:16]1(=[O:23])[O:22][CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]1

Komponenten

6

Edukt 5

HCID 811Itaconic acidHCID 8285PentaerythritolHCID 10401epsilon-CAPROLACTONEHCID 104883Stannous cationHCID 107689L-Lactic Acid

Produkt 1

HCID 86597550Lactic acid itaconic acid epsilon-caprolactone

Versuchsvorschrift

The polymerisation was performed like in Example 1, but the amount of the ingredients were 794.7 g aqueous L-lactic acid (81 mole-%), 72.5 g itaconic acid (7 mole-%), 110.7 g ε-caprolactone (10 mole-%), 22.0 g pentaerythritol (2 mole-%) and 0.39 g tin(II) octoate, and the polymerisation time was 26 hours.

Quellen und Nachweise

ORD-Eintrag
ord-fa052f4844594e079e71ffaa6f945fca
Quelldatensatz
uspto-grants-2007_08
Patentnummer
US07256250B2

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