Propylene Glycol → 2-Methyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

HRID 10609

Reaktionsgleichung

Reaktionsgleichung von HRID 10609
[CH3:1][O:2][C:3]1[C:7]([O:8][CH3:9])=[CH:6][S:5][CH:4]=1.[CH2:10](O)C(O)C>>[CH3:10][CH:1]1[O:2][C:3]2=[CH:4][S:5][CH:6]=[C:7]2[O:8][CH2:9]1

Komponenten

3

Edukt 2

HCID 1030Propylene GlycolHCID 36135013,4-Dimethoxythiophene

Produkt 1

HCID 121287602-Methyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

Versuchsvorschrift

Racemic 2-methyl-2,3-dihydro-thieno[3,4-b][1,4]dioxine was synthesized by transetherification of 3,4-dimethoxythiophene with racemic 1,2-propanediol as described in COMPARATIVE EXAMPLE 1. It was characterized by GC-MS and H-NMR-spectroscopy, and exhibited no optical rotation.

Quellen und Nachweise

ORD-Eintrag
ord-893c7cabb2234d5d8d2cba94eaa12eb3
Quelldatensatz
uspto-grants-2006_08
Patentnummer
US07094865B2

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