Carboxylate ion dependency in the Cu(II) catalysed asymmetric Henry reaction: Structural characterisation of a tridentate Schiff base complex containing a coordinated carboxylic acid
Sign Up to like & getrecommendations! Published in 2017 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3831
Abstract: Six tridentate Schiff base ligands containing tertiary butyl or benzyl substituents were prepared from chiral amino alcohols and salicylaldehyde derivatives. The ligands were employed as catalysts for the Cu(II) catalysed asymmetric Henry reaction. It was… read more here.
Keywords: asymmetric henry; henry reaction; schiff base;
Two Coordination Compounds Bearing Bis(2-dimethylaminoethyl) Ether: Syntheses, Crystal Structures and Catalytic Application to the Henry Reaction
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-018-7343-7
Abstract: Two novel coordination compounds, namely [Cu2(BDMAEE)(CH3COO)4] n (1) and [Ni(BDMAEE)Cl2](2) [BDMAEE=bis(2-dimethylaminoethyl) ether], have been synthesized and characterized by IR, elemental analysis, PXRD and X-ray single crystal diffraction. In compound 1, the central Cu(II) ion is… read more here.
Keywords: coordination compounds; henry reaction; geometry; reaction ... See more keywords
Chiral iminophosphorane catalyzed asymmetric Henry reaction of α,β-alkynyl ketoesters
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2019.04.042
Abstract: Abstract α,β-Alkynyl ketoesters were introduced to the enantioselective Henry reaction (nitroaldol condensation) with nitromethane catalyzed by tartaric acid derived chiral iminophosphoranes. As such, a variety of optically active β-nitro-substituted tertiary alcohols bearing alkyne moieties were… read more here.
Keywords: alkynyl ketoesters; chiral iminophosphorane; henry reaction;
Henry Reaction Revisited. Crucial Role of Water in an Asymmetric Henry Reaction Catalyzed by Chiral NNO-Type Copper(II) Complexes.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b01574
Abstract: Chiral copper(II) and cobalt(III) complexes (1-5 and 6, respectively) derived from Schiff bases of (S)-2-(aminomethyl)pyrrolidine and salicylaldehyde derivatives were employed in a mechanistic study of the Henry reaction-type condensation of nitromethane and o-nitrobenzaldehyde in CH2Cl2… read more here.
Keywords: henry reaction; copper complex; water; copper ... See more keywords
pH-Controlled Nanoparticle Catalysts for Highly Selective Tandem Henry Reaction from Mixtures.
Sign Up to like & getrecommendations! Published in 2020 at "ACS catalysis"
DOI: 10.1021/acscatal.0c03468
Abstract: Nature has a remarkable ability to perform selective transformation of complex biological mixtures into desired products using enzymatic catalysts. We report the preparation of nanoparticle catalysts through molecular imprinting within cross-linked micelles. These catalysts were… read more here.
Keywords: henry reaction; highly selective; nanoparticle catalysts; catalysts highly ... See more keywords
Basified Graphene Oxide and PPO Composite Aerogel with Basified Graphene Oxide for Henry Reaction in Solvent-Free Conditions: A Green Approach
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c02335
Abstract: Novel basified graphene oxide and high-porosity monolithic composite aerogels of poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) containing basified graphene oxide (b-eGO) have been prepared as recoverable and reusable catalysts for the Henry reaction in solvent-free conditions at room… read more here.
Keywords: henry reaction; reaction solvent; solvent free; graphene oxide ... See more keywords
Spectroscopic Study of a Cinchona Alkaloid-Catalyzed Henry Reaction
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.7b01713
Abstract: A spectroscopic study of an organocatalytic Henry reaction between nitroalkanes and aldehydes catalyzed by a quinidine-derived Cinchona alkaloid is described. The binding modes of the reaction substrates are investigated using electronic absorption and fluorescence spectroscopy… read more here.
Keywords: henry reaction; cinchona alkaloid; reaction; spectroscopic study ... See more keywords
Fluorine-induced diastereodivergence discovered in an equally rare enantioselective syn-aza-Henry reaction
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Science"
DOI: 10.1039/d1sc05910f
Abstract: Attention to the aza-Henry reaction, particularly over the past two decades, has resulted in a wide range of effective catalysts for the enantio- and diastereoselective versions, driven by the versatility of the β-amino nitroalkane products… read more here.
Keywords: henry reaction; induced diastereodivergence; aza henry; fluorine induced ... See more keywords
Synthesis of nitroaldols through the Henry reaction using a copper(II)–Schiff base complex anchored on magnetite nanoparticles as a heterogeneous nanocatalyst
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Coordination Chemistry"
DOI: 10.1080/00958972.2021.1921748
Abstract: Abstract A Cu(II)-Schiff base complex supported on functionalized Fe3O4 magnetic nanoparticles (MNPs@Salen-Cu(II)) was obtained as a new heterogeneous nanocatalyst. The nanocomposite materials were characterized by vibrating sample magnetometer (VSM), X-ray diffraction (XRD), scanning electron microscopy… read more here.
Keywords: henry reaction; heterogeneous nanocatalyst; base complex; reaction ... See more keywords
Enantioselective Henry Reaction Catalyzed by Chiral Piperazine Derivatives.
Sign Up to like & getrecommendations! Published in 2022 at "Acta chimica Slovenica"
DOI: 10.17344/acsi.2021.7150
Abstract: A series of novel tridentate Schiff bases is synthesized from piperazine-amine and substituted salicylaldehydes, and characterized by spectroscopic methods. These chiral ligands were used to catalyze the addition of nitromethane to various aldehydes in the… read more here.
Keywords: henry reaction; piperazine derivatives; catalyzed chiral; chiral piperazine ... See more keywords