Novel Ultrasound-Promoted Parallel Synthesis of Trifluoroatrolactamide Library via a One-Pot Passerini/Hydrolysis Reaction Sequence and Their Fungicidal Activities
摘要:
An ultrasound-promoted one-pot Passerini/hydrolysis reaction sequence has been developed for the synthesis of trifluoroatrolactamide derivatives using a diverse range of trifluoroacetophenones and isonitriles in acetic acid. Parallel synthesis in a centrifuge tube using a noncontact ultrasonic cell crusher was used in this study as an efficient method for the rapid generation of combinatorial trifluoroatrolactamide libraries, and subsequent biochemical evaluation of the resulting compounds indicated that they possessed excellent broad-spectrum fungicidal activities. N-(4-chlorophenyl)-2-(4-ethylphenyl)-3,3,3-trifluoro-2-hydroxypropanamide and N-(4-chlorophenyl)-3,3,3-trifluoro-2-hydroxy-2-(4-methoxyphenyl)propanamide, in particular, showed significant fungicidal activities against all of the fungal species tested in the current study.
Efficienttransamidation of unactivated carboxamides, phthalimides, formamides and thioamides with amines undersolvent-freeconditions using H-β-zeolite as a green and recyclable heterogeneous catalyst is described. Easy work up, high purity of the products, recyclability and environmentally-friendly nature of the catalyst are the attractive features of the present methodology. This is the first report
[EN] 1,4-DISUBSTITUTED PIPERIDINE DERIVATIVES AND THEIR USE AS 11-BETAHSD1 INHIBITORS<br/>[FR] DERIVES DE PIPERIDINE 1,4 DISUBSTITUEE ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE 11-BETAHSD1
申请人:ASTRAZENECA AB
公开号:WO2004033427A1
公开(公告)日:2004-04-22
The use of a compound of formula (I) in the manufacture of a medicament for use in the inhibition of 11βHSD1 is described.
使用式(I)的化合物制造用于抑制11βHSD1的药物。
Catalytic Enantioselective Michael Addition of α-Aryl-α-Isocyanoacetates to Vinyl Selenone: Synthesis of α,α-Disubstituted α-Amino Acids and (+)- and (−)-Trigonoliimine A
作者:Thomas Buyck、Qian Wang、Jieping Zhu
DOI:10.1002/anie.201306663
日期:2013.11.25
title reaction in the presence of the catalyst 1 afforded Michael adducts in excellent yields and enantioselectivities. The adducts were readily converted into α,α′‐disubstituted α‐aminoacids. The enantioselective total synthesis of both (+)‐ and (−)‐trigonoliimine A was accomplished using one of the Michael adducts derived from this methodology. M.S.=molecular sieves.
Enantioselective Synthesis of Quaternary Δ<sup>4</sup>
- and Δ<sup>5</sup>
-Dehydroprolines Based on a Two-Step Formal [3+2] Cycloaddition of α-Aryl and α-Alkyl Isocyano(thio)acetates with Vinyl Ketones
作者:Amaiur Odriozola、Mikel Oiarbide、Claudio Palomo
DOI:10.1002/chem.201703526
日期:2017.9.18
of optically active quaternary Δ4‐ and Δ5‐dehydro prolines is developed based on the first catalytic enantioselective conjugateaddition of α‐substituted isocyano(thio)acetates to vinyl ketones that is general for both α‐aryl and α‐alkyl isocyano(thio)acetates. The new tetrasubstituted C−N stereocenter is formed without the need of any metal salt due to a bifunctional tertiary amine/squaramide catalyst
[EN] PHENYLALANINE DERIVATIVES AND THEIR USE AS NON-PEPTIDE GLP-1 RECEPTOR MODULATORS<br/>[FR] DÉRIVÉS PHÉNYLALANINES ET LEUR UTILISATION COMME MODULATEURS NON PEPTIDIQUES DU RÉCEPTEUR DE GLP-1
申请人:ARGUSINA INC
公开号:WO2011094890A1
公开(公告)日:2011-08-11
Provided herein are non-peptide GLP-1 receptor modulator compounds, for example, of Formula (I), pharmaceutical compositions comprising such compounds, and processes of preparation thereof. Also provided are methods of their use for the treatment of a metabolic disorder.