anionic complex as a key intermediate, a regio- and stereoselective multicomponent coupling reaction of perfluoroarenes, aryl Grignard reagents, and 1,3-butadiene in a 1:1:2 ratio was achieved, resulting in the formation of 1,6-octadiene derivatives containing two aryl groups, one from the perfluoroarene and the other from the aryl Grignard reagent, at the 3- and 8-positions, respectively.
Copper-Catalyzed Synthesis of Activated Sulfonate Esters from Boronic Acids, DABSO, and Pentafluorophenol
作者:Vincent Vedovato、Eric P. A. Talbot、Michael C. Willis
DOI:10.1021/acs.orglett.8b02445
日期:2018.9.7
The synthesis of pentafluorophenyl (PFP) sulfonate esters based on the Pd-catalyzed sulfination of aryl and heteroaryl boronic acids is reported. The sulfinate intermediates are converted in situ to the corresponding sulfonate estersusing a copper-catalyzed oxidative process, providing a broad range of PFP esters in good yields.
[EN] PYRIDINE DERIVATIVES AND THEIR USE IN THE TREATMENT OF CONDITIONS ASSOCIATED WITH PATHOLOGICAL THROMBUS FORMATION<br/>[FR] DÉRIVÉS DE LA PYRIDINE ET LEUR UTILISATION DANS LE TRAITEMENT D'ÉTATS ASSOCIÉS À LA FORMATION D'UN THROMBUS PATHOLOGIQUE
申请人:SANOFI SA
公开号:WO2013171316A1
公开(公告)日:2013-11-21
The present invention relates to compounds of the formula (I), wherein the residues R1 to R6, V, G and M have the meanings indicated in the claims. The compounds of the formula I are valuable pharmacologically active compounds for use in the treatment of diverse disorders, for example cardiovascular disorders like thromboembolic diseases or restenoses. The compounds of the invention are effective antagonists of the platelet LPA receptor LPAR5 (GPR92) and can in general be applied in conditions in which an undesired activation of the platelet LPA receptor LPAR5, the mast cell LPA receptor LPAR5 or the microglia cell LPA receptor LPAR5 is present, or for the cure or prevention of which an inhibition of the platelet, mast cell or microglia cell LPA receptor LPAR5 is intended. The invention furthermore relates to processes for the preparation of compounds of the formula I, their use, in particular as active ingredients in medicaments, and pharmaceutical compositions comprising them.
Carbonylative coupling of aryl tosylates/triflates with arylboronic acids under CO atmosphere
作者:Cheng Yi Hao、Dan Wang、Ya Wei Li、Lin Lin Dong、Ying Jin、Xiu Rong Zhang、He Yun Zhu、Sheng Chang
DOI:10.1039/c6ra14678c
日期:——
The carbonylative Suzuki–Miyaura reaction between aryl tosylates/triflates with arylboronic acid is herein reported, using base-free conditions and a balloon pressure of carbon monoxide. Under these conditions, unsymmetrical biaryl ketones were obtained in modest to excellent yields. This method was adapted to the synthesis of oxybenzone and ketoprofen in good yields under mild conditions.
One-Pot Synthesis of Pentafluorophenyl Sulfonic Esters via Copper-Catalyzed Reaction of Aryl Diazonium Salts, DABSO, and Pentafluorophenol
作者:Muhammad Aliyu Idris、Sunwoo Lee
DOI:10.1021/acs.orglett.1c01056
日期:2021.6.18
multicomponent reaction of aryl diazonium tetrafluoroborate, DABSO (DABCO·(SO2)2), and pentafluorophenol. The reaction system provided the desired pentafluorophenyl sulfonic esters in good yields and exhibited excellent functional group tolerance. In addition, the generated PFP sulfonic esters were successfully applied in Sonogashira, Suzuki, Chan–Evans–Lam, and decarboxylative coupling reactions.