76132-65-5Relevant academic research and scientific papers
Direct Synthesis of N,N-Dimethylated and β-Methyl N,N-Dimethylated amines from nitriles using methanol: Experimental and computational studies
Paul, Bhaskar,Shee, Sujan,Panja, Dibyajyoti,Chakrabarti, Kaushik,Kundu, Sabuj
, p. 2890 - 2896 (2018/04/14)
Direct and selective synthesis of N,N-dimethylated amines from nitriles using methanol as C1 building blocks is reported using an air- and moisture-stable ruthenium complex. Following this process, various aromatic as well as aliphatic nitriles were converted to the corresponding N-methylated amines. Interestingly, tandem C-methylation as well as N-methylation was achieved by introducing multiple methyl groups. The practical aspect of this process was revealed by preparative-scale reactions with different nitriles and the synthesis of anti-allergic drug "avil". Several kinetic experiments and detailed DFT calculations were carried out to understand the mechanism of this process.
Agents for the treatment of overactive detrusor. IV. Synthesis and structure-activity relationships of cyclic analogues of terodiline
Take,Okumura,Tsubaki,Terai,Shiokawa
, p. 507 - 515 (2007/10/02)
A series of pyrrolidine derivatives were synthesized and examined for inhibitory activity on detrusor contraction in vivo. Among those compounds, 5,5-dimethyl-2-(2,2-diphenylethyl)-3-isopropylidenepyrrolidine hydrochloride (41 · HCl), 2-(2,2-di(4-fluorophenyl)ethylene)-5,5-dimethyl-3-isopropylidenepyrrol idine hydrochloride (42 · HCl), (+)5,5-dimethyl-2-(N,N-diphenylaminomethyl)-3-isopropylidenepyrrolidin e hydrochloride (+)-(43a · HCl),(-)-5,5-dimethyl-2-(N,N-diphenylaminomethyl)-3-isopropylidenepyrr olidine hydrochloride (-)-(43a · HCl), and 2-(N,N-di(4-fluorophenyl)aminomethyl)-5,5-dimethyl-3-isopropylidenepyr rolidine methanesulfonate (43b · MsOH) showed stronger inhibitory activity on detrusor contraction than terodiline.
