UGI Utilities, Inc. is a natural gas and electric utility headquartered in Denver, Pennsylvania. The company is a wholly-owned subsidiary of UGI Corporation, based in Valley Forge.

The Ugi reaction is one of the first reactions to be exploited explicitly to develop chemical libraries. These chemical libraries are sets of compounds that can be tested repeatedly.

Ugi反应是一种由德国化学家Ivar Karl Ugi于1959年首次报道的四组分缩合反应，通过醛或酮、胺、异腈及羧酸四种组分缩合生成α-酰氨基酰胺类化合物。 该反应具有高度原子经济性、步骤经济性和温和反 …

Dec 23, 2025 · Discover why UGI Corp. is a top Buy with strong fundamentals, 3.9% yield, promising growth catalysts, and double-digit return potential.

Nov 5, 2021 · Ugi反应（乌吉反应），是指一分子醛或酮、一分子胺、一分子异腈以及一分子羧酸缩合生成α-酰氨基酰胺的多组分反应。 反应由德国化学家 Ivar Karl Ugi 于1959 年首先报道。 反应是放热反 …

乌吉反应 （德語： Ugi-Reaktion）是一分子 醛 或 酮 、一分子 胺 、一分子 异腈 以及一分子 羧酸 缩合 生成α- 酰氨基 酰胺 的 多组分反应。

The Ugi four-component condensation (U-4CC) between an aldehyde, an amine, a carboxylic acid and an isocyanide allows the rapid preparation of α-aminoacyl amide derivatives.

Mar 2, 2025 · 利用 异腈，胺，醛酮和亲核试剂进行四组分缩合得到单一产物的反应，称为 Ugi四组分反应。 最常用的羧酸， C-异腈，胺和羰基化合物进行四组分缩合可以制备得到二酰胺，如果羧酸是氨基 …

The Ugi multicomponent reaction represents a highly efficient synthetic transformation, wherein all four reactants (isocyanides, amine, aldehyde or ketone and a nucleophile) are combined in one pot under …

Aug 1, 2025 · The original Ugi reaction, namely the Ugi four-component reaction (Ugi-4CR), involves the condensation of an aldehyde, an amine, an isocyanide, and an acid in one pot under mild conditions, …