Reaktion #457059

Reaktionsgleichung

[3-isopropyl-4-(2-benzothiazolylaminocarbonylmethoxy)benzoyl]methyltriphenylphosphonium chloride

DBU

→

[3-isopropyl-4-(2-benzothiazolylaminocarbonylmethoxy)benzoyl]methylenetriphenylphosphorane

Ausbeute 72.8%

Lösungsmittel

methanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   FiltrationThe precipitated crystals are collected by filtration
2. 2
   Waschenwashed with methanol
3. 3
   Sonstigedried

Vorschrift

To a solution of [3-isopropyl-4-(2-benzothiazolylaminocarbonylmethoxy)benzoyl]methyltriphenylphosphonium chloride (3.3 g) in methanol (50 ml) is added DBU (1 ml), and the mixture is stirred at room temperature for two hours. The precipitated crystals are collected by filtration, washed with methanol, and dried to give [3-isopropyl-4-(2-benzothiazolylaminocarbonylmethoxy)benzoyl]methylenetriphenylphosphorane (2.27 g).

Quelle