1021394-80-8Relevant articles and documents
Tripeptides as efficient asymmetric catalysts for 1,4-addition reactions of aldehydes to nitroolefins - A rational approach
Wiesner, Markus,Revell, Jefferson D.,Wennemers, Helma
, p. 1871 - 1874 (2008)
(Chemical Equation Presented) Bridging the gap: Conformational analysis of a peptidic catalyst for aldol reactions led to the development of H-D-Pro-Pro-Asp-NH2 as a highly efficient catalyst for conjugate addition reactions between aldehydes a
Efficient recovery and reuse of an immobilized peptidic organocatalyst
Arakawa, Yukihiro,Wiesner, Markus,Wennemers, Helma
, p. 1201 - 1206 (2011)
Readily reusable immobilized organocatalysts are important from a practical, economic, and environmental viewpoint. However, their successful development has proven challenging and only limited reaction and recovery cycles have been achieved. We report an
Synthesis of Phenylcyclopropane-Based Secondary Amine Catalysts and Their Applications in Enamine Catalysis
Kano, Taichi,Maruoka, Keiji,Takeshima, Aika
, (2019)
A novel chiral motif based on a phenylcyclopropane scaffold has been designed, and a facile synthetic route to the key intermediate for the synthesis of phenylcyclopropane-based chiral secondary amines has been developed. Newly synthesized chiral amines function as effective catalysts for several asymmetric reactions through enamine intermediates.
Asymmetric Organocatalysis Accelerated via Self-Assembled Minimal Structures
Sinibaldi, Arianna,Della Penna, Francesca,Ponzetti, Marco,Fini, Francesco,Marchesan, Silvia,Baschieri, Andrea,Pesciaioli, Fabio,Carlone, Armando
supporting information, p. 5403 - 5406 (2021/09/18)
Self-assembling minimalistic peptides embedded with an organocatalytic moiety were designed. By controlling the formation of fibrils via external intervention, it was shown that the activation is accelerated when the organocatalyst is in its supramolecula
Amphiphilic immobilized diphenylprolinol alkyl ether catalyst on PS-PEG resin
Koshino, Seitaro,Hattori, Shusuke,Hasegawa, Shota,Haraguchi, Naoki,Yamamoto, Takeshi,Suginome, Michinori,Uozumi, Yasuhiro,Hayashi, Yujiro
supporting information, p. 790 - 797 (2021/04/14)
Diphenylprolinol silyl ether is a widely used organocatalyst, and its immobilization on a solid support was investigated for the easy recycling and reuse of this catalyst. Because a silyl ether bond of the catalyst is weak, its alkyl ether was attached to polymers such as a polyquinoxaline-based polymer, a polystyrene polymer (PS) resin, and a polystyrenepoly(ethylene glycol) graft copolymer (PS-PEG) resin. Although a polymer-supported organocatalyst generally decreases its reactivity compared with the monomer catalyst, diphenylprolinol anthrylmethyl ether supported on PS-PEG was found to be a reactive organocatalyst; it catalyzed the Michael reaction of an aldehyde and a nitroalkene in water without an organic solvent being present, with excellent diastereo- and enantioselectivities.