Results 41 to 50 of about 1,063 (182)

Lepidium meyenii biological activity and future perspectives [PDF]

open access: yesMakedonsko Farmacevtski Bilten
Lepidium meyenii Walp. (Brassicaceae) is a plant native to the Andean region. It is also known as Maca and Peruvian ginseng and is considered to have been used in traditional medicine for more than 2000 years.
Zoya Dzhakova   +2 more
doaj   +1 more source

Revisiting the SAR of the antischistosomal aryl hydantoin (Ro 13-3978) [PDF]

open access: yes, 2016
The aryl hydantoin 1 (Ro 13-3978) was identified in the early 1980s as a promising antischistosomal lead compound. However, this series of aryl hydantoins produced antiandrogenic side effects in the host, a not unexpected outcome given their close ...
Charman, Susan A.   +13 more
core   +3 more sources

KINETICS OF THE REACTION OF AN ARYLIDENE 2-THIOHYDANTOIN DERIVATIVE WITH SOME Pd(II) COMPLEXES [PDF]

open access: yes, 2023
Reactions of 3-(benzylideneamino)-2-thioxoimidazolidin-4-one with some palladium complexes (PdCl2, Pd(DMSO)2Cl2 and K2PdCl4) were monitored with NMR spectroscopy, which is used as a convenient and practical tool for determining the kinetic parameters of ...
Ašanin, Darko   +4 more
core   +1 more source

Reaction of a 3-aryilidene-2-thiohydantoin derivative with polymeric trans-[CuCl2(DMSO)(2)](n) complex: unexpected isomerization to dinuclear cis-[{CuCl(DMSO)(2)}(mu-Cl)](2) [PDF]

open access: yes, 2020
The 3-arylidene-2-thiohydantoin derivative, 3-[(2-hydroxybenzylidene)amino]-2-thioxoimidazolidin-4-one, was synthesized in a two-step condensation reaction of 2-hydroxybenzaldehyde, thiosemicarbazide and ethyl chloroacetate.
Pavić, Aleksandar   +6 more
core   +2 more sources

New platinum(II) complexes of cycloalkanespiro-5-(2-thiohydantoins). Synthesis and quantum chemical investigation

open access: yesActa Chimica Slovenica, 2015
Synthesis and characterization of new Pt(II) complexes of cyclohexanespiro-5-(2-thiohydantoin)  (L1) and cycloheptanespiro-5-(2-thiohydantoin) (L2) are discussed. The new complexes are studied by elemental analysis, IR, ATR FTIR spectroscopy.
Petja E. Marinova   +3 more
doaj   +1 more source

Synthesis and crystal structure of (S)-5-isopropyl-5-methyl-2-thiohydantoin [PDF]

open access: yes, 2013
(S)-5-Isopropyl-5-methyl-2-thiohydantoin was synthesized by one-pot reaction of α-methyl-L-valine and thiourea in the absence of solvent. The crystal structure of this compound has been determined from single crystal X-ray diffraction data.
Fujinami, Shuhei   +8 more
core   +1 more source

Sinteza, spektroskopska karakterizacija i ab initio istraživanje tioanaloga spirohidantoina [PDF]

open access: yes, 2005
Dithioanalogues of cycloalkanespiro-5-hydantoins were prepared by reaction of the respective spirohydantoins with Lawesson’s reagent or P4S10. Cycloalkanespiro-5-(2-thiohydantoins) and cycloalkanespiro-5-(4-hydantoins) were also synthesized from ...
Galya Ivanova   +5 more
core   +1 more source

Crystal Structures and Conformations of 5-Benzyl-2-thiohydantoin and Its 1-Acetylated Derivative [PDF]

open access: yes, 2009
金沢大学理工研究域物質化学系The crystal structures of 5-benzyl-2-thiohydantoin (5-BTH) and 1-acetyl-5-benzyl-2-thiohydantoin (1-Ac-5-BTH) have been determined by X-ray diffraction.
Akio Kuwae   +22 more
core   +2 more sources

Illuminating Tau Aggregates: Multiscale Approaches for Detection, Imaging, and Understanding

open access: yesAggregate, Volume 6, Issue 10, October 2025.
This review presents recent advances in molecular imaging of tauopathies, focusing on tau aggregation mechanisms, structural polymorphism, and imaging strategies. It highlights the development of tau‐selective fluorescent probes and PET tracers and explores emerging techniques such as cryo‐EM and super‐resolution imaging, offering a multiscale ...
Kaustubh R. Bhuskute   +2 more
wiley   +1 more source

Potassium Carbonate Assisted Synthesis Of α, β, γ, δ-Unsaturated Ketones [PDF]

open access: yes, 2020
The Cinnamylideneacetophenones derivative is shows important medicinal properties and intermediate in organic synthesis.  Several substituted α, β, γ, δ-Unsaturated Ketones were prepared in high yield and purity by direct reaction of substituted ...
Gawade, Sammer, Kulkarni, Pramod
core   +2 more sources

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