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Coordinating solvents are commonly employed as ancillary ligands to stabilize late transition metal complexes and are conventionally considered to have little effect on the reaction products. Our work identifies that the presence of ancillary ligand in Pd‐diimine catalyzed polymerizations of α‐olefins can drastically alter reactivity. The addition of different amounts of acetonitrile allows for switching between distinct reaction modes: isomerization‐polymerization with high branching (0 eq.), regular chain‐walking polymerization (1 eq.), and alkene isomerization with no polymerization (>20 eq.). Optimization of the isomerization reaction mode led to a general set of conditions to switch a wide variety of diimine complexes into efficient al.
The Generated DataBases (GDBs) enumerate billions of possible molecules following simple rules of chemical stability and synthetic feasibility. Exploring the GDBs shows that many chiral, 3D‐shaped ring systems, often containing quaternary centers, have never been exploited for drug design. Herein we show that such ring systems can be useful for medicinal chemistry at the example of the enantioselective synthesis of triquinazine, a novel chiral piperazine analog derived from angular triquinane, and it’s use to design a nanomolar and selective inhibitor of Janus Kinase 1 related to the marketed drug Tofacitinib useful to treat auto‐immune diseases.
The Vox 09/28/2020 18:30
President Donald Trump speaking during a press conference in the briefing room of the White House on September 27, moments after the blockbuster New York Times story on his tax returns broke. | Joshua Roberts/Getty Images. Donald Trump’s tax scheme and the system that let him get away with it for so long. The problem isn’t just Donald Trump from his taxes or counting his family home in Westchester County as a business expense. It’s also the system that let him do it. on has sparked outrage in some corners about his tax bill and business practices. The Times discovered that Trump paid no federal income taxes at all for several years, and in 2016 and 2017, he paid just $750. It also revealed enormous losses Trump says he incurred on his busine.
GlobeNewswire 09/28/2020 18:26
Í dag samþykktu stjórnir Kviku banka og TM að hefja viðræður um sameiningu félaganna. Forsendur viðræðna byggjast á því að TM verði dótturfélag Kviku banka og að Lykill fjármögnun hf., núverandi dótturfélag TM, sameinist Kviku banka. Þá er gert ráð fyrir að hluthafar í TM fái sem endurgjald fyrir hlutabréf sín í TM 55% hlut í sameinuðu félagi miðað við útgefna hluti félaganna í dag. 09/28/2020 18:25
Bally Ribbon Mills announces its newest line of advanced textile products to increase part functionality and utility. As companies demand higher durability and product differentiation, BRM has innovated with its E-WEBBINGS® and TPCM™ thermoplastic materials. BRM's advanced textile products are ideal for electronic transmission data, energy storage, and manufacturing automation.
Financial Post (Canada) 09/28/2020 18:24
The first of a group of three tankers carrying Iranian fuel for gasoline-starved Venezuela entered the waters of the South American nation on Monday, according to Refinitiv Eikon data, in the most recent sign of the countries’ expanding trade. The two OPEC members have increased cooperation this year by exchanging crude, fuel, food, equipment for […]

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