96 J. R. Gaines and G . R. Hansen ... L)c>partment of Chciiiistry, South L)nl,otti School (If Mincis and Technology ... Jack R. Gaines and Gary R. Hansen ... It has been previously shown thxt a-hydroxy ketones, \vhosc~ hydroxy group is tertiary, react with ammonia to yield the hitherto unknown 3-oxazolines (2). The iormation of substituted :3,4-dihydropyrrolenine-3, 4- cliols results when either R or R' in I is hydrogen (2). Rernhaucr and Hoffmann prepared 2,4,5- ...