Results 181 to 190 of about 187,468 (290)

Királisan módosított fémfelülettel katalizált aszimmetrikus kaszkád reakciók [PDF]

, 2014
Szőllősi, György
core  

Improved Asymmetric S_NAr Reaction of β‐Dicarbonyl Compounds Catalyzed by Quaternary Ammonium Salts Derived from Cinchona Alkaloids.

, 2006
Sara Kobbelgaard, Marco Bella, Karl Anker Joergensen   +2 more
openalex   +2 more sources

Optimization of Two Methods for the Rapid and Effective Extraction of Quinine from Cinchona officinalis. [PDF]

Plants (Basel)
Ochoa G, Armijos L, Figueroa JG, Jaramillo-Fierro X, Solano-Cueva N.   +4 more
europepmc   +1 more source

Bridged Quinuclidines: Synthesis of 5-Azatricyclo[3.2.1.02,7]octane. Incorporation of a Bridged Quinuclidine into the Cinchona Alkaloid Skeleton

, 1977
V. Georgian, William H. Koster
openalex   +1 more source

Catalytic Deracemization of 1,2-Aminoalcohols through Enantioselective Hydrogen Atom Abstraction. [PDF]

J Am Chem Soc
Davies DJ, Lahdenperä ASK, Phipps RJ.
europepmc   +1 more source

THE EFFECT OF CINCHONA ALKALOIDS ON PARASITES OF FROG

, 1954
HIROTAKA YAMAGUCHI
openalex   +1 more source

Impact of long-range van der Waals forces on chiral recognition in a Cinchona alkaloid chiral selector system

, 2013
Petr Milko, Jana Roithová, Kevin A. Schug, Karel Lemr   +3 more
openalex   +2 more sources

Sustainable spectrofluorimetric determination of berberine in dietary supplements via Erythrosin B Ion-Pair complexation with mechanistic investigation, Box-Behnken optimization, and green chemistry assessment. [PDF]

Sci Rep
Al Shmrany H, Alqahtani A, Alqahtani T, Alshehri A, Almrasy AA.   +4 more
europepmc   +1 more source

Synthesis and Applications of Structurally Modified Cinchona Alkaloid Derivatives

, 2013
Rebecca Louise Williams
openalex   +1 more source

Cinchona Alkaloid/Sulfinyl Chloride Combinations. Enantioselective Sulfinylating Agents of Alcohols.

, 2005
Norio Shibata, Mitsuharu Matsunaga, Masaya Nakagawa, Takeo Fukuzumi, Shuichi Nakamura, Takeshi Toru   +5 more
openalex   +2 more sources