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Bouveault–Blanc reduction. The Bouveault–Blanc reduction is a chemical reaction in which an ester is reduced to primary alcohols using absolute ethanol and sodium metal. [1] It was first reported by Louis Bouveault and Gustave Louis Blanc in 1903. [2] [3] [4] Bouveault and Blanc demonstrated the reduction of ethyl oleate and n - butyl ...
Pixmania S.A.S. Pixmania (styled PIXmania), once known as Fotovista, was a French-based e-commerce website, founded in 2000. It promoted a variety of products, including consumer electronics and baby products, with turnover of over € 300million in 2013. [1] It operated a website and until 2013 ran brick-and-mortar retail stores in Europe.
The Hôtel des Invalides (English: "house of invalids"), commonly called Les Invalides (French pronunciation: [lezɛ̃valid]), is a complex of buildings in the 7th arrondissement of Paris, France, containing museums and monuments, all relating to the military history of France, as well as a hospital and an Old Soldiers' retirement home, the building's original purpose.
François Xavier Bon de Saint Hilaire (1678–1761), president of the Court of Auditors of Montpellier, demonstrated in 1709 that he could make fabric from spider silk. Many egg cocoons were boiled, washed and dried and the thread was collected with fine combs. By this method, he produced three pairs of spider silk stockings and gloves.
The Sword in the Stone is a 1963 American animated musical fantasy comedy film produced by Walt Disney and released by Buena Vista Distribution.It is based on the novel of the same name by T. H. White, first published in 1938 and then revised and republished in 1958 as the first book of White's Arthurian tetralogy The Once and Future King.
The Royal Academy of Spain defines reducción (reduction) as "a grouping into settlement of indigenous people for the purpose of evangelization and assimilation." [1] In colonial Mexico, reductions were called "congregations" ( congregaciones ). [2] [3] Forced resettlements aimed to concentrate indigenous people into communities, facilitating ...
Reductionism is any of several related philosophical ideas regarding the associations between phenomena which can be described in terms of other simpler or more fundamental phenomena. [ 1] It is also described as an intellectual and philosophical position that interprets a complex system as the sum of its parts. [ 2]
Reductions with hydrosilanes. Reductions with hydrosilanes are methods used for hydrogenation and hydrogenolysis of organic compounds. The approach is a subset of ionic hydrogenation. In this particular method, the substrate is treated with a hydrosilane and auxiliary reagent, often a strong acid, resulting in formal transfer of hydride from ...