98355-48-7Relevant academic research and scientific papers
BORON TRIFLUORIDE ETHERATE-CATALYZED REARRANGEMENT OF 2,4,6,7-TETRAPHENYL-1,3-OXAZEPINE TO GIVE NOVEL PYRIDONE RING SYSTEM
Kobayashi, Tomoshige,Nitta, Makoto
, p. 1399 - 1402 (2007/10/02)
The boron trifluoride etherate causes an efficient rearrangement of 2,4,6,7-tetraphenyl-1,3-oxazepine to lead to 2,2,4,6-tetraphenyl-3-pyridone and 3,3,4,6-tetraphenyl-2-pyridone.The BF3-coordinated pyridine-2,3-oxide is proposed as a reasonable intermediate.
