ChemInform Abstract: The Unusual Formation of Methyl α-(5,6-Dimethoxycarbonyl-2,3- dimethoxyazepin-7-ylidene)-α-(5-methoxycarbonyl-2,3- dimethoxypyrid-6-yl)acetate (V) During the Pyrolysis of “Azido-meta- hemipinate” (IV). First Example of a Reaction Invo | Publicación