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Likewise, several combinations lead to structurally interesting products. The Ugi reaction has been applied in combination with an intramolecular Diels-Alder reaction [16] in an extended multistep reaction. A reaction in its own right is the Ugi–Smiles reaction with the carboxylic acid component replaced by a phenol.
UGI Corporation (formerly United Gas Improvement Corp.) is a natural gas and electric power distribution company headquartered in King of Prussia, Pennsylvania, with extensive operations in the United States and Europe. [1] UGI owns AmeriGas, the largest propane marketer in the United States. UGI also owns AvantiGas, Antargaz and Flaga in ...
Cascading failure is a common effect seen in high voltage systems, where a single point of failure (SPF) on a fully loaded or slightly overloaded system results in a sudden spike across all nodes of the system. This surge current can induce the already overloaded nodes into failure, setting off more overloads and thereby taking down the entire ...
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Ivar Karl Ugi (9 September 1930 in Saaremaa, Estonia – 29 September 2005 in Munich) was an Estonian-born German chemist who made major contributions to organic chemistry. He is known for the research on multicomponent reactions , yielding the Ugi reaction .
Mid-caps stocks, like UGI Corporation (NYSE:UGI) with a market capitalization of US$9.6b, aren’t the focus of most investors... Help shape the future of investing tools and earn a $60 gift card!
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Ugi or UGI may refer to: Ugi reaction, in chemistriy; UGI Corporation, an American energy company; Ugi Island in the Solomon Islands; Camillo Ugi (1884–1970 ...