892682-56-3Relevant academic research and scientific papers
Synthesis of benzoxazines, quinazolines and 4H-benzo[e][1,3]thiazine by ANRORC rearrangements of 1,2,4-oxadiazoles
Draghici, Bogdan,El-Gendy, Bahaa El-Dien M.,Katritzky, Alan R.
, p. 547 - 550 (2012/04/04)
1,2,4-Oxadiazoles undergo ANRORC (addition of nucleophile, ring-opening and ring-closure) rearrangements upon reaction with excess of n-butyllithium to give benzoxazines, benzothiazines, and quinazolines in good yields under mild conditions. Georg Thieme Verlag Stuttgart · New York.
