Results 31 to 40 of about 775,231 (229)
CHIMIA, 2003 The stereoselectivity of the formation of bis-chelates with the 1,9-disubstituted chiral semicorrin ligands (1S,9S)-dimethyl 5-cyanosemicorrin-1,9-dicarboxylate (1) for Co2+, Ni2+, Cu2+, and Pd2+ and with its (1S,9S)-diethyl analogue 2 for Co2+
Nathalie Guicher +2 more
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Synthesis and crystal structure of (±)-Goniotamirenone C
Acta Crystallographica Section E: Crystallographic Communications, 2020 The structure of the racemic version of the natural product Goniotamirenone C [racemic anti-6-(2-chloro-1-hydroxy-2-phenylethyl)-2H-pyran-2-one, C13H11ClO3] at 150 K is reported. The compound crystallizes with monoclinic (P21/n) symmetry and with Z′ = 2.
Pornphimol Meesakul +3 more
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3,3,6-Tribromo-1-methyl-1H-2,1-benzothiazin-4(3H)-one 2,2-dioxide
Acta Crystallographica Section E, 2010 In the title compound, C9H6Br3NO3S, a halogenated benzothiazine derivative, the thiazine ring adopts a sofa conformation. The crystal studied was a racemic twin with a contribution of 72 (1)% of the major domain.
Ghulam Mustafa +3 more
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rac-3-[(Anilino)(naphthalen-2-yl)methyl]thian-4-one
Acta Crystallographica Section E, 2012 In the title compound, C22H21NOS, the thiopyranone ring adopts a chair-like conformation with the substituent in the axial position. The relative configuration of the racemic compound is 3R,7S according to the numbering scheme used in this publication ...
A. Wahid Mesbah +3 more
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Crystals, 2021 The expected (E)-but-3-en-2-ones compounds I and II (half curcuminoids) were obtained by the Claisen–Schmidt reaction between aldehydes 3,4-dimethoxybenzaldehyde or 4-nitrobenzaldehyde with acetone.
Marco A. Obregón-Mendoza +7 more
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FeEDDHA-facilitated Fe uptake in relation to the behaviour of FeEDDHA components in the soil-plant system as a function of time and dosage. [PDF]
, 2010 FeEDDHA products are widely used to prevent and remedy Fe chlorosis in crops grown on calcareous soils. These products consist of a mixture of FeEDDHA components: racemic o,o-FeEDDHA, meso o,o-FeEDDHA, o,p-FeEDDHA and rest-FeEDDHA. The FeEDDHA components
Temminghoff, E.J.M. +3 more
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(3aR*,7aS*)-1-(p-Tolylsulfonyl)perhydroindol-2-one
Acta Crystallographica Section E, 2010 In the racemic title compound, C15H19NO3S, the dihedral angle between the planes of the benzene ring and the O=S=O group is 56.92 (7)° and the cyclohexane ring adopts a chair conformation.
Lei Fang, Xu-Bin Fang, Lei Chen
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rac-18-Methoxycoronaridine hydrochloride
Acta Crystallographica Section E, 2012 In the crystal structure of the racemic title compound, C22H29N2O3+·Cl−, both NH groups form N—H...Cl hydrogen bonds with the chloride counter-ion, forming translational chains along the a axis.
Martin E. Kuehne, Rory Waterman
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rac-Ethyl rel-(2R,3R,4S)-4-hydroxy-1,2-dimethyl-5-oxopyrrolidine-3-carboxylate
IUCrData, 2023 The asymmetric unit of the title compound, C9H15NO4, consists of a functionalized pyrrolidine ring having an envelope conformation, synthesized as an ethyl ester. The molecule has three chiral centres and crystallized as a racemic mixture. In the crystal,
Fatin Nur Ain Abdul Rashid +6 more
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Crystallization of the Racemic Compound and Conglomerate of (RS)-2-Chloromandelic Acid
, 2016 (RS)-2-Chloromandelic acid is a new example of chiral compounds that can exist as a racemic compound or a conglomerate depending on the crystallization conditions. Two polymorphic racemic compounds and one conglomerate were disclosed and characterized in
Sohrab Rohani (1755568) +3 more
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