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Publikováno v:
Letters in Organic Chemistry. 19:118-125
Abstract: Human serum albumin (HSA) was found to catalyze the asymmetric nitroaldol reaction of biphenyl aldehydes with nitromethane to afford the corresponding optically active 2-nitro alcohols. Careful optimization of the conditions for the reactio
Publikováno v:
Research on Chemical Intermediates. 48:593-606
Autor:
Zinnia Arora, Bogdan Cojocaru, Pascal Granger, Vasile I. Pârvulescu, Diana-Ioana Eftemie, Catalin Maxim, Anamaria Hanganu, Marius Andruh, Adela Spinciu, Octavian Dumitru Pavel, Madalina Tudorache
Publikováno v:
ChemCatChem
ChemCatChem, Wiley, In press, ⟨10.1002/cctc.202101149⟩
ChemCatChem, 2021, 13 (21), pp.4634-4644. ⟨10.1002/cctc.202101149⟩
ChemCatChem, Wiley, In press, ⟨10.1002/cctc.202101149⟩
ChemCatChem, 2021, 13 (21), pp.4634-4644. ⟨10.1002/cctc.202101149⟩
International audience; Cyanosilylation, aldol coupling and asymmetric Henry reactions were carried out with L- and D-valmet ligands in different configurations: i) coordinated to sodium ions, as organocatalysts, with week base properties, ii) comple
Autor:
Hongmin Qu, Liu Minjie, Yingqi Xia, Huang Huashan, Yan Zhang, Tong Xiong, Fen-Er Chen, Meifen Jiang, Cheng Dang
Publikováno v:
The Journal of Organic Chemistry. 86:11557-11570
A unified strategy for an efficient and high diastereo- and enantioselective synthesis of (-)-chloramphenicol, (-)-azidamphenicol, (+)-thiamphenicol, and (+)-florfenicol based on a key catalytic syn-selective Henry reaction is reported. The stereoche
Autor:
Marleen Häring, Maria M. Pérez-Madrigal, Dennis Kühbeck, Asja Pettignano, Françoise Quignard, David Díaz Díaz
Publikováno v:
Molecules, Vol 20, Iss 3, Pp 4136-4147 (2015)
In this manuscript we report a critical evaluation of the ability of natural DNA to mediate the nitroaldol (Henry) reaction at physiological temperature in pure water. Under these conditions, no background reaction took place (i.e., control experimen
Externí odkaz:
https://doaj.org/article/3b0298e085164fc783953449e012ae24
Publikováno v:
Catalysts; Volume 12; Issue 2; Pages: 161
Catalysts, 12(2)
Catalysts, 12(2)
Granulicella tundricola hydroxynitrile lyase (GtHNL) catalyses the synthesis of chiral (R)‐ cyanohydrins and (R)‐β‐nitro alcohols. The triple variant GtHNL‐A40H/V42T/Q110H (GtHNL‐3V) was immobilised on Celite R‐633 and used in monophasic
Autor:
H. Y. Vincent Ching, Antal Udvardy, Dóra Bonczidai-Kelemen, Szilvia Bunda, Mohammad Samanipour, Nóra V. May, Sabine Van Doorslaer, Kevin Nys, Ferenc Joó, Norbert Lihi
Publikováno v:
Inorganic chemistry
Copper(II) complexes formed with sulfonated salan ligands (HSS) have been synthesized, and their coordination chemistry has been characterized using pH-potentiometry and spectroscopic methods [UV-vis, electron paramagnetic resonance (EPR), and electr
Publikováno v:
Synlett. 32:1861-1864
An efficient copper-catalyzed tandem oxidation/nitroaldol reaction of hydroxyl compounds with nucleophiles is developed. In this work, β-nitro-α-hydroxy esters were prepared via cross-dehydrogenative coupling reaction using α-hydroxy esters as hyd