2-Methyl-3-nitro-6-ethoxypyridin 、 N,N-二甲基甲酰胺二甲基缩醛 在
hexane-ether 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.5h,
以to afford the title compound as red solids (2.2 g) with the following physical data的产率得到(E)-2-(6-ethoxy-3-nitropyridin-2-yl)-N,N-dimethylethenamine
A method for preventing and/or treating a metabolic disease, cerebrovascular disease, etc. which comprises administering to a mammal an effective amount of the compound of the formula (I):
wherein all symbols have the same meanings as defined in the specification; a salt thereof, an N-oxide thereof, a solvate thereof, or a prodrug thereof. And a novel compound of the formula (I-1):
wherein all symbols have the same meanings as defined in the specification; a salt thereof, an N-oxide thereof, a solvate thereof, or a prodrug thereof has an anti-diabetic effect and a neuroprotective effect. Accordingly, the compound of the formula (I) and the compound of the formula (I-1) are useful in a method for preventing and/or treating for a metabolic disease such as diabetes, cerebrovascular disease such as stroke, etc.