Absolute configuration of (1S,2S)-3-methyl-2-phenyl-2,3-dihydrothiazolo[2,3-b]quinazolin-5-one
The absolute structure of the molecule in the crystal of the title compound, C17H14N2OS, was determined by the refinement of the Flack parameter to 0.0 (2) based on 1011 Friedel pairs.
Mostafa. M. Ghorab +4 more
doaj +1 more source
Pd-catalyzed enantioselective aerobic oxidation of secondary alcohols: Applications to the total synthesis of alkaloids [PDF]
Enantioselective syntheses of the alkaloids (-)-aurantioclavine, (+)-amurensinine, (-)-lobeline, and (-)- and (+)-sedamine are described. The syntheses demonstrate the effectiveness of the Pd-catalyzed asymmetric oxidation of secondary alcohols in ...
Bagdanoff, Jeffrey T. +5 more
core +2 more sources
Absolute configuration of (2S)-4-(4-hydroxyphenyl)butan-2-ol
The title compound, C10H14O2, was isolated from the chloroform extract of Taxus wallichiana Zucc. In the crystal, molecules are linked by intermolecular O—H...O hydrogen bonds, forming sheets parallel to (100).
S. Yousuf +4 more
doaj +1 more source
Absolute Configuration of Clemateol
Fil: Stivanin, Mateus L..
Pedroso, Marcelo +9 more
openaire +2 more sources
Chiroptical studies on brevianamide B : vibrational and electronic circular dichroism confronted [PDF]
Chiroptical spectroscopy, such as electronic circular dichroism (ECD) and vibrational circular dichroism (VCD) are highly sensitive techniques to probe molecular conformation, configuration, solvation and aggregation.
Bultinck, Patrick +7 more
core +2 more sources
The molecular and crystal structure of (+)-mianserin hydrobromide [PDF]
X-ray analysis of crystals of (+)-mianserin hydrobromide (1,2,3,4,10,14b-hexahydro-2-methyl-dibenzol[c,f]pyrazino[1,2-a]azepine) has established the stereochemistry and absolute configuration of this compound (S at 14b).\ud \ud The crystals are ...
Feil, D., Ru, C. van
core +3 more sources
Asymmetric microbial reduction of ketones: absolute configuration of trans-4-ethyl-1-(1S-hydroxyethyl)cyclohexanol [PDF]
A set of five fungal species, Botrytis cinerea, Trichoderma viride and Eutypa lata, and the endophytic fungi Colletotrichum crassipes and Xylaria sp., was used in screening for microbial biocatalysts to detect monooxygenase and alcohol dehydrogenase ...
Aleu Casatejada, Josefina +4 more
core +2 more sources
Redetermination and absolute configuration of berkeleydione
The crystal structure of the title compound, berkeleydione [systematic name; (5aS,7R,9S,11R,11aS)-methyl 9-hydroxy-1,1,5,7,9,11a-hexamethyl-14-methylidene-3,8,10-trioxo-1,3,4,5a,6,7,8,9,10,11,11a,12-dodecahydro-7,11-methanocycloocta[4,5]cyclohepta[1,2-c ...
Andrea Stierle +2 more
doaj +1 more source
Spacecraft Position and Attitude Formation Control using Line-of-Sight Observations [PDF]
This paper studies formation control of an arbitrary number of spacecraft based on a serial network structure. The leader controls its absolute position and absolute attitude with respect to an inertial frame, and the followers control its relative ...
Lee, Taeyoung, Wu, Tse-Huai
core +1 more source
Redetermination and absolute configuration of atalaphylline
The title acridone alkaloid [systematic name: 1,3,5-trihydroxy-2,4-bis(3-methylbut-2-enyl)acridin-9(10H)-one], C23H25NO4, has previously been reported as crystallizing in the chiral orthorhombic space group P212121 [Chantrapromma et al. (2010).
Hoong-Kun Fun +2 more
doaj +1 more source

