130602-10-7Relevant academic research and scientific papers
New anionic cyclization of 4- and 5-alkynylamines: Synthesis of 2-Benzylidene pyrrolidines and piperidines
Tokuda, Masao,Fujita, Hirotake,Nitta, Makoto,Suginome, Hiroshi
, p. 385 - 395 (1996)
Treatment of 4- and 5-alkynylamines with 0.5-1.2 equiv. of butyllithium brought about a facile anionic cyclization, giving the corresponding enamine pyrrolidines and piperidines having an exo double bond in high yields. Treatment of 4-alkynamides with lit
Ruthenium-catalyzed transformation of alkenyl triflates to alkenyl halides
Shirakawa, Eiji,Imazaki, Yusuke,Hayashi, Tamio
supporting information; experimental part, p. 5088 - 5090 (2009/12/08)
In the presence of a ruthenium catalyst, alkenyl triflates were found to be transformed to the corresponding bromides, chlorides and iodides simply by treatment with a lithium halide (1.2 equiv.). The Royal Society of Chemistry 2009.
