Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Lithiu N-butylcycloprpylamide ( ) and lithium N-propylcyclobutylamide ( ) rearrrange in ethereal solvents by nucleophilic eliminative rings fission processes; amide is highly reactive whereas amide is somewhat stable. ... Studies of the thermal isomerizations of a representative ...