1279017-84-3Relevant academic research and scientific papers
2-Oxo-Driven Coupling Reactions of 2-Oxo Aldehydes/2-Oxo Iminium Ions and Hydroperoxides at Room Temperature
Khan, Shahnawaz,Ahmed, Qazi Naveed
, p. 5377 - 5385 (2016/11/22)
An efficient 2-oxo-group-promoted direct coupling reaction between 2-oxo aldehydes and hydroperoxides has been developed. The method has been used successfully for the generation of different 2-oxo esters and acids. This reaction harnesses the hydrogen-bonding-induced self-decomposition tendency of hydroperoxides; the intermediates produced by this process then attack the aldehyde or iminium ion to generate cross-coupled products either by direct coupling or by an amine-catalysed pathway. No external oxidants or metal catalysts are required for our method, and the reaction takes place at room temperature.
Organocatalytic Enantioselective Michael Reaction of Malononitrile with β,β-Disubstituted Nitroalkenes
Chen, Shengwei,Lou, Qinxin,Ding, Yuyang,Zhang, Shasha,Hu, Wenhui,Zhao, Junling
, p. 2437 - 2441 (2015/08/18)
We have developed and optimized an enantioselective Michael reaction of malononitrile with β,β-disubstituted nitroalkenes. This reaction was catalyzed by a cinchona alkaloid derived thiourea catalyst, producing products of high yields (up to 98 %) and ste
Amino Acid Salt Catalyzed Asymmetric Synthesis of 1,2-Diols with A Quaternary Carbon Center
Wu, Quanquan,Liu, Shulei,Wang, Fangyuan,Li, Qingqing,Cheng, Kangli,Li, Juan,Jiang, Jun
, p. 2442 - 2446 (2015/10/19)
Enantioenriched 1,2-diols with a quaternary carbon center have great potential in the preparation of natural and biologically active compounds, but remain challenging synthetic targets which demand for both good diastereo- and enantioselectivity. As part
Chemo- and enantioselective Bronsted acid-catalyzed reduction of α-imino esters with catecholborane
Enders, Dieter,Rembiak, Andreas,Stoeckel, Bianca Anne
supporting information, p. 1937 - 1942 (2013/08/23)
The chemo- and enantioselective reduction of α-imino esters with catecholborane has been developed employing 10 mol% of an enantiopure BINOL-based phosphoric acid as organocatalyst. Various differently substituted aromatic α-amino acid derivatives can be
