133603-85-7Relevant academic research and scientific papers
A simple method of synthesis of (±)-2,3-diarylpiperazines and a novel method of resolution of (±)-2,3-diphenylpiperazine
Vairaprakash, Pothiappan,Periasamy, Mariappan
, p. 3636 - 3638 (2007/10/03)
Intramolecular reductive coupling of diimines in the presence of Zn/Ti(OiPr)2Cl2 gives the corresponding (±)-2,3-diarylpiperazines in 73-83% yields with dl/meso ratio >99%: 1%. The (±)-2,3-diphenylpiperazine obtained in t
Diastereoselective synthesis of piperazines by manganese-mediated reductive cyclization.
Mercer, Gregory J,Sigman, Matthew S
, p. 1591 - 1594 (2007/10/03)
A simple and effective synthesis of trans aryl-substituted piperazines using a Bronsted acid and manganese(0) is described. [reaction: see text]
Electroorganic Chemistry. 129. Electroreductive Synthesis of Chiral Piperazines and Enantioselective Addition of Diethylzinc to Aldehydes in the Presence of the Chiral Piperazines
Shono, Tatsuya,Kise, Naoki,Shirakawa, Eiji,Matsumoto, Hideshi,Okazaki, Eiichi
, p. 3063 - 3067 (2007/10/02)
Electroreduction of diimines, prepared from 1,2-diamines and aromatic aldehydes, in acidic media gave intramolecularly coupled products, 2,3-diarylpiperazines, stereoselectively.Chiral tri- and tetrasubstituted piperazines were synthesized effectively fro
