653579-37-4Relevant articles and documents
A simple ketone as an efficient metal-free catalyst for visible-light-mediated Diels-Alder and aza-Diels-Alder reactions
Kollmann, Jiri,Zhang, Yu,Schilling, Waldemar,Zhang, Tong,Riemer, Daniel,Das, Shoubhik
supporting information, p. 1916 - 1920 (2019/04/29)
Diels-Alder reactions are highly effective between electron-rich dienes and electron-poor dienophiles. However, these reactions with electron-rich dienophiles are limited and require forcing conditions. Based on this, an efficient metal-free homogeneous s
2-halogenoimidazolium salt catalyzed aza-diels-alder reaction through halogen-bond formation
Takeda, Youhei,Hisakuni, Daichi,Lin, Chun-Hsuan,Minakata, Satoshi
supporting information, p. 318 - 321 (2015/01/30)
2-Halogenoimidazolium salts are found to catalyze aza-Diels-Alder reaction of aldimines with Danishefsky diene in an efficient manner. Comparative studies and titration experiments support the formation of halogen bonding between imines and catalysts.
Synthesis of β-amino acids based on oxidative cleavage of dihydropyridone derivatives
Ege, Markus,Wanner, Klaus T.
, p. 3553 - 3556 (2007/10/03)
(Chemical Equation Presented) A new method for the synthesis of β-amino acids based on 2,3-dihydropyridones as starting materials is presented. Conversions of 2,3-dihydropyridones with NaIO4 and subsequently with base gave the corresponding β-amino acids in a one-pot procedure. The reactions have been monitored by 1H NMR indicating that the β-amino acids were formed in quantitative yields mostly. This method appears to be of broad scope, as 2-substituted 2,3-dihydropyridones are easily accessible via N-acyliminium ions generated from 4-methoxypyridine.
