815618-75-8Relevant articles and documents
Rearrangements encountered in the attempted syntheses of pyridoazepinone carboxylic acids
Sanders, William J.,Zhang, Xiaolin,Wagner, Rolf
, p. 4527 - 4530 (2007/10/03)
(Chemical equation presented) Attempts to synthesize pyridoazepinone carboxylic acids such as 33 by standard methodologies resulted exclusively in unusual and unexpected rearrangement products. Seven-membered ring formation was attempted by ring expansion