Results 61 to 70 of about 6,365 (202)

Correction to Catalytic Enantioselective Protonation of Nitronates Utilizing an Organocatalyst Chiral Only at Sulfur

, 2016
Correction to Catalytic Enantioselective Protonation of Nitronates Utilizing an Organocatalyst Chiral Only at ...
Jonathan A. Ellman (610362), Kyle L. Kimmel (2063641), Melissa Lee (29577), Jimmie D. Weaver (1666147)   +3 more
core   +1 more source

One-pot synthesis of (R)-convolutamydine A involving in situ chiral organocatalyst formation [PDF]

, 2015
The application of a convenient one-pot synthetic strategy, utilizing an in situ formed organocatalyst, to the enantioselective synthesis of anti-leukaemia agent (R)-convolutamydine A has been ...
Fliur Z. Macaev (3048573), Andrei Malkov (1248999), Svetlana B. Tsogoeva (2150017), Shengwei Wei (2286481), Bernard Schmid (7163063), Serghei N Curlat (7163066)   +5 more
core   +5 more sources

Mechanistic investigations of polyaza[7]helicene in photoredox and energy transfer catalysis

Beilstein Journal of Organic Chemistry
Organic photocatalysts frequently possess dual singlet and triplet photoreactivity and a thorough photochemical characterization is essential for efficient light-driven applications.
Johannes Rocker, Till J. B. Zähringer, Matthias Schmitz, Till Opatz, Christoph Kerzig   +4 more
doaj   +1 more source

Computational Design of an Electro-Organocatalyst for Conversion of CO2 into Formaldehyde [PDF]

Density functional theory calculations employing a hybrid implicit/explicit solvation method were used to explore a new strategy for electrochemical conversion of CO2 using an electro-organocatalyst.
Khezeli, Foroogh, Plaisance, Craig
core   +1 more source

Development of Guanidine-Bisurea Bifunctional Organocatalysts with a Chiral Pyrrolidine Moiety and Application to α-Hydroxylation of Tetralone-Derived β-Keto Esters

Molecules, 2015
Novel guanidine-bisurea bifunctional organocatalysts 5 bearing a chiral pyrrolidine moiety on guanidine were designed with the guidance of DFT calculations.
Minami Odagi, Kan Takayama, Makoto Sato, Masahiro Yamanaka, Kazuo Nagasawa   +4 more
doaj   +1 more source

Rationally designed organocatalyst for direct asymmetric aldol reaction in the presence of water

, 2007
A rationally designed organocatalyst for direct asymmetric aldol reaction in the presence of water has been developed. High yield (up to 99%), diastereoselectivity (up to 99:1) and enantioselectivity (up to 97%) were obtained under optimal conditions. (c)
Jiang, Y, Jiang, Y, Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China., Huang, Y, Zhang, XX, Li, BG, Wang, C, Zhang, GL   +6 more
core  

Enantioselective Oxidation of 1,2-Diols with Quinine-Derived Urea Organocatalyst

, 2016
Quinine-derived urea has been identified as a highly efficient organocatalyst for the enantioselective oxidation of 1,2-diols using bromination reagents as the oxidant.
Yu Zhao (104852), Zi-Qiang Rong (1614838), Hui-Jie Pan (1614841), Hai-Long Yan (1863742)   +3 more
core   +1 more source

L-Proline derived triamine as a highly stereoselective organocatalyst for asymmetric Michael addition of cyclohexanone to nitroolefins

, 2007
L-Proline derived triamine 4 has been developed as a highly efficient and stereoselective organocatalyst for the asymmetric Michael addition of cyclohexanone to nitroolefins.
Wang, Y, Sun, J, Chinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Chengdu 610041, Peoples R China., Wei, SY, Chen, HB, Sun, J   +4 more
core  

Synthesis and Analysis of Ketoprofen 1,4-Sorbitan Ester

Molbank
This study presents the synthesis and comprehensive characterization of ketoprofen 1,4-sorbitan ester, a novel compound with potential applications in drug delivery.
Pooreum Lim, Jae Ho Shim
doaj   +1 more source

Dual stereocontrol over the Henry reaction using a light- and heat-triggered organocatalyst [PDF]

, 2014
Here we present a novel dynamic organocatalyst, based on a first-generation molecular motor core, able to control the stereochemical outcome of the Henry reaction using both light and heat as external ...
Edwin Otten, Otten, Edwin, Ben L. Feringa, Matea Vlatkovic, Feringa, Ben L., Bernardi, Luca, Vlatkovic, Matea   +6 more
core   +1 more source