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16735-19-6Relevant academic research and scientific papers
HETEROCYCLIC COMPOUND, APPLICATION THEREOF, AND COMPOSITION CONTAINING SAME
-
, (2022/03/07)
A heterocyclic compound represented by formula XI, a pharmaceutically acceptable salt, a solvate, or a solvate of a pharmaceutically acceptable salt thereof, use thereof, and a composition containing the same. The compound is novel in structure and has good STAT5 inhibitory activity.
Asymmetric Transfer Hydrogenation: Dynamic Kinetic Resolution of α-Amino Ketones
Gediya, Shweta K.,Clarkson, Guy J.,Wills, Martin
, p. 11309 - 11330 (2020/10/12)
A series of α-amino ketones were reduced using asymmetric transfer hydrogenation (ATH) through a dynamic kinetic resolution (DKR). The protecting group was matched to the reducing agent, and following optimization, a series of substrates were investigated, giving products in high diastereoselectivity, over 99% ee in several cases and full conversion. The methodology was applied to the enantioselective synthesis of an MDM2-p53 inhibitor precursor.
Synthesis of 2-Amino Substituted Oxazoles from α-Amino Ketones and Isothiocyanates via Sequential Addition and I2-Mediated Desulfurative Cyclization
Chang, Junbiao,Yu, Wenquan,Zhang, Shuangshuang,Zhao, Qiongli,Zhao, Yifei
supporting information, (2020/04/29)
Oxazol-2-amines were synthesized by annulation of α-amino ketones and isothiocyanates. This sequential synthetic process involves addition of α-amino ketones to isothiocyanates and I2-promoted desulfurative cyclization omitting isolation of the less stable thiourea intermediates. It is transition metal-free and operationally simple, providing access to a variety of 2-amino substituted oxazole derivatives under mild reaction conditions. (Figure presented.).
Structure-activity relationships (SAR) and structure-kinetic relationships (SKR) of sulphone-based CRTh2 antagonists
Buil, Maria Antonia,Calbet, Marta,Castillo, Marcos,Castro, Jordi,Esteve, Cristina,Ferrer, Manel,Forns, Pilar,González, Jacob,López, Sara,Roberts, Richard S.,Sevilla, Sara,Vidal, Bernat,Vidal, Laura,Vilaseca, Pere
, p. 102 - 133 (2016/03/04)
Monocyclic and bicyclic ring systems were investigated as the "core" section of a series of diphenylsulphone-containing acetic acid CRTh2 receptor antagonists. A range of potencies were observed and single-digit nanomolar potencies were obtained in both the monocyclic and bicyclic cores. Residence times for the monocyclic compounds were very short. Some of the bicyclic cores displayed better residence times. A methyl group in the northern part of the core, between the head and tail was a necessary requirement for the beginnings of long residence times. Variations of the tail substitution maximised potencies and residence times.
5-Aryl-imidazolin-2-ones as a scaffold for potent antioxidant and memory-improving activity
Watanabe, Kazutoshi,Morinaka, Yasuhiro,Hayashi, Yoshio,Shinoda, Masaki,Nishi, Hiroyoshi,Fukushima, Nobuko,Watanabe, Toshiaki,Ishibashi, Akira,Yuki, Satoshi,Tanaka, Masahiko
, p. 1478 - 1483 (2008/09/18)
A series of 5-phenyl-substituted-N-alkyl-imidazolin-2-ones with potent radical-scavenging activity and lipid peroxidation inhibitory activity was synthesized. Many of the compounds showed memory-improving effect in animal models independent of the inhibitory activity on lipid peroxidation.
MAO inhibition by arylisopropylamines: The effect of oxygen substituents at the β-position
Osorio-Olivares, Mauricio,Rezende, Marcos Caroli,Sepulveda-Boza, Silvia,Cassels, Bruce K.,Fierro, Angelica
, p. 4055 - 4066 (2007/10/03)
Twenty-nine arylisopropylamines, substituted at the β-position of their side chain by an oxo, hydroxy, or methoxy group, were evaluated in vitro as MAO-A and MAO-B inhibitors. The oxo derivatives ('cathinones') were in general less active as MAO-A inhibitors than the corresponding arylisopropylamines, but exhibited an interesting MAO-B inhibiting activity, which was absent in the hydroxy, methoxy, and β-unsubstituted analogues. These results suggest that selective affinity for the two MAO isoforms in this family of compounds is modulated not only by the aryl substitution pattern but also by the side-chain substituents on the arylalkylamine scaffold.
Azabicyclic-substituted-heteroaryl compounds for the treatment of disease
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, (2008/06/13)
The invention provides compounds of Formula I: Azabicyclo-N(R1)—C(═X)—W??Formula I These compounds may be in the form of pharmaceutical salts or compositions, racemic mixtures, or pure enantiomers thereof. The compounds of Formula I are useful
Chemistry of indoles carrying a basic function. Part VII. A new aspect of Stobbe reaction
Moldvai, István,Temesvári-Major, Eszter,Incze, Mária,Platthy, Tünde,Gács-Baitz, Eszter,Szántay, Csaba
, p. 309 - 319 (2007/10/03)
While performing Stobbe reactions of a succinic diester derivative (1) different routes were found leading to different indole derivatives (2-5) depending on the reaction conditions applied, thus widening the scope and limitation of this useful procedure. Simpler pyrrolidine (13) and piperidine derivatives (14, 15) were also achieved through application of the intramolecular Stobbe reaction.
Pyrrolomorphinans as δ opioid receptor antagonists. The role of steric hindrance in conferring selectivity
Farouz-Grant,Portoghese
, p. 1977 - 1981 (2007/10/03)
A series of 2',3'-disubstituted pyrrolomorphinans (5a-i) were synthesized to determine the role of steric hindrance at μ and γ receptors in promoting δ opioid receptor antagonist selectivity. In smooth muscle preparations, five members of the series (5a-c,e,f) possessed K(e) values in the range 2-15 nM and were 6 selective. Since the unsubstituted analogue 4 possessed δ antagonist potency of similar magnitude, but was not δ selective, it is suggested that the 2',3'substitution confers δ selectivity by hindering the interaction of the pharmacophore at μ and γ receptors, while not affecting δ receptors.