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4,4′-Bipyridine (abbreviated to 4,4′-bipy or 4,4′-bpy) is an organic compound with the formula (C 5 H 4 N) 2. It is one of several isomers of bipyridine. It is a colorless solid that is soluble in organic solvents. is mainly used as a precursor to N,N′-dimethyl-4,4′-bipyridinium [(C 5 H 4 NCH 3) 2] 2+, known as paraquat.
Bipyridines are a family of organic compounds with the formula (C 5 H 4 N) 2, consisting of two pyridyl (C 5 H 4 N) rings. Pyridine is an aromatic nitrogen-containing heterocycle. The bipyridines are all colourless solids, which are soluble in organic solvents and slightly soluble in water. Bipyridines, especially the 4,4' isomer, are mainly of ...
Radical dimerization of pyridine with elemental sodium or Raney nickel selectively yields 4,4'-bipyridine, [98] or 2,2'-bipyridine, [99] which are important precursor reagents in the chemical industry. One of the name reactions involving free radicals is the Minisci reaction.
A third of patients travel more than 150 miles for care at the Salt Lake City cancer center. But for patients even further away – in Idaho, Montana, Nevada and Wyoming – because it’s also ...
Funding cuts may leave rural patients more vulnerable. Patients who live in rural counties are 10% more likely to die of their cancer than those living in metropolitan areas, said Neli Ulrich of the University of Utah’s Huntsman Cancer Institute. A third of patients travel more than 150 miles for care at the Salt Lake City cancer center.
Cancer centers must renew their status with the NIH every 5 years. The NIH funds cancer centers through a P30 Cancer Center Support Grant (CCSG) mechanism. [2] To be eligible to apply, a cancer center must receive at least $10 million in cancer research funding annually.
2,2'-Bipyridine; 4,4'-Bipyridine This page was last edited on 24 September 2022, at 20:49 (UTC). Text is available under the Creative Commons Attribution-ShareAlike ...
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