ON A NEW a, 8 DIHYDROQUINOXALINE 



Of course the constitution could just as well be 



143 



^NH 



^CH, 





^CH 



It is the intention to study the action of other orthodiamines, both 

 aliphatic and aromatic, upon mesityloxide and upon other unsatu- 

 rated ketones, with the hope of isolating other members of this series. 



