Facile C H arylation using catalytically active terminal sulfurs of 2 dimensional molybdenum disulfide
作者:Eunhee Hwang、Sae Mi Lee、Sora Bak、Hee Min Hwang、Hyunjung Kim、Hyoyoung Lee
DOI:10.1016/j.tetlet.2018.09.054
日期:2018.10
metal dichalcogenides that have catalytically active edge functional groups was described. The terminal sulfur groups could effectively catalyze a formation of an azo-linked intermediate with aryl diazonium salts, leading to produce heteroarenes with good yields. This novel methodology using bulk 2D transition metal dichalcogenides that have catalytically active edge functional groups can apply for various
Fast and Efficient<sup>18</sup>F-Labeling by [<sup>18</sup>F]Fluorophenylazocarboxylic Esters
作者:Stefanie K. Fehler、Simone Maschauer、Sarah B. Höfling、Amelie L. Bartuschat、Nuska Tschammer、Harald Hübner、Peter Gmeiner、Olaf Prante、Markus R. Heinrich
DOI:10.1002/chem.201303409
日期:2014.1.7
Introduction of [18F]fluoride ion into the aromatic core of phenylazocarboxylic esters was achieved in only 30 seconds, with radiochemical yields of up to 95 % (85(±10) %). For labeling purposes, the resulting 18F‐substituted azoester can be further converted in radical‐arylation reactions to give biaryls, or in substitutions at its carbonyl unit to produce azocarboxamides.
Brönsted Acid-Catalyzed One-Pot Synthesis of Indoles from <i>o</i>-Aminobenzyl Alcohols and Furans
作者:Alexey Kuznetsov、Anton Makarov、Aleksandr E. Rubtsov、Alexander V. Butin、Vladimir Gevorgyan
DOI:10.1021/jo402132p
日期:2013.12.6
Brönstedacid-catalyzed one-pot synthesis of indoles from o-aminobenzyl alcohols and furans has been developed. This method operates via the in situ formation of aminobenzylfuran, followed by its recyclization into the indole core. The method proved to be efficient for substrates possessing different functional groups, including −OMe, −CO2Cy, and −Br. The resulting indoles can easily be transformed
Synthesis of 2-Aryl- and 2,5-Diarylfurans and Thiophenes by Suzuki - Miyaura Reactions Using Potassium Trifluoroborate Salts and Heteroaryltellurides
作者:Giancarlo V. Botteselle、Thomas L. S. Hough、Raphael C. Venturoso、Rodrigo Cella、Adriano S. Vieira、Helio A. Stefani
DOI:10.1071/ch08255
日期:——
The Suzuki–Miyaura cross-coupling reaction of 2-(butyltellanyl) or 2,5-bis-(butyltellanyl)furans and thiophenes with potassium aryltrifluoroborate salts catalyzed by palladium afforded 2-aryl- or 2,5-diaryl-furans and thiophenes in moderate to good yields.
Substituted furans as inhibitors of 3-hydroxy-3-methylglutaryl-coa
申请人:American Home Products Corporation
公开号:US04792614A1
公开(公告)日:1988-12-20
Compounds of the formula: ##STR1## in which ##STR2## where M is hydrogen or alkyl; one of R.sup.2 and R.sup.3 is phenyl or substituted phenyl where the substituent is alkyl, alkoxy, halogen, trifluoromethyl, nitro, amino, cyano or carboxyl; and the other of R.sup.2 and R.sup.3 is hydrogen, alkyl, or a halogen; or a pharmaceutically acceptable salt thereof, are HMG--CoA reductase inhibitors useful in the treatment of atherosclerosis, hypercholesterolaemia, hyperlipaemia and similar disease states characterized by elevated cholesterol levels in the blood.