Victor Dessaignes

	Victor Dessaignes Victor Dessaignes (31 December 1800 – 4 January 1885) was a French lawyer, physician and chemist. Dessaignes conducted experiments on organic acids and was involved in the synthesis of hippuric acid. He was also involved in characterizing and naming malonic acid, the synthesis of asparagine from ammonium dimalate, conversion between optical isomers of tartaric acid, fumaric acid in mushrooms and the synthesis of several amides. Life and work Dessaignes was born in Vendôme, the third son of Jean-Philibert Dessaignes (1762–1832) and Emilie-Françoise Renou. He studied at the college de Vendee that his father had helped develop in Vendôme and went on to study law, admitted to the bar in 1821. He however did not practice and began studies in medicine, graduating in 1835. Unable to handle the sight of blood, he did not practice medicine and moved to chemistry. Dessaignes conducted experiments on organic compounds. Hippuric acid had been produced by Justus von Liebig Justus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Vendôme Vendôme (, ) is a Subprefectures in France, subprefecture of the Departments of France, department of Loir-et-Cher, France. It is also the department's third-biggest Communes of France, commune with 15,856 inhabitants (2019). It is one of the main towns along the river Loir. The river divides itself at the entrance of Vendôme, intersecting it into numerous different arms. The town has a rich Middle Ages, medieval history and many historical monuments. History Vendôme (in ) appears originally to have been a Gaul, Gallic , replaced later by a feudal castle, around which the modern town arose. Christianity was introduced by in the 5th century, and the important abbey of the Trinity (which claimed to possess a tear shed by Jesus at the tomb of Lazarus of Bethany, Lazarus) was founded about 1030. When the reign of the House of Capet began, Vendôme formed the chief town of a county belonging to Bouchard, called "the Venerable", who died in the monastery of in 1007. The succ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlantic, North Atlantic, the French West Indies, and List of islands of France, many islands in Oceania and the Indian Ocean, giving it Exclusive economic zone of France, one of the largest discontiguous exclusive economic zones in the world. Metropolitan France shares borders with Belgium and Luxembourg to the north; Germany to the northeast; Switzerland to the east; Italy and Monaco to the southeast; Andorra and Spain to the south; and a maritime border with the United Kingdom to the northwest. Its metropolitan area extends from the Rhine to the Atlantic Ocean and from the Mediterranean Sea to the English Channel and the North Sea. Its Regions of France, eighteen integral regions—five of which are overseas—span a combined area of and hav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Legion Of Honor The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and civil. Currently consisting of five classes, it was originally established in 1802 by Napoleon Bonaparte, and it has been retained (with occasional slight alterations) by all later French governments and regimes. The order's motto is ' ("Honour and Fatherland"); its seat is the Palais de la Légion d'Honneur next to the Musée d'Orsay, on the left bank of the Seine in Paris. Since 1 February 2023, the Order's grand chancellor has been retired General François Lecointre, who succeeded fellow retired General Benoît Puga in office. The order is divided into five degrees of increasing distinction: ' (Knight), ' (Officer), ' (Commander), ' (Grand Officer) and ' (Grand Cross). History Consulate During the French Revolution, all of the French orders of chivalry were abolished and repla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Hippuric Acid Hippuric acid (Greek language, Gr. ''hippos'', horse, ''ouron'', urine) is a carboxylic acid and organic compound. It is found in urine and is formed from the combination of benzoic acid and glycine. Levels of hippuric acid rise with the consumption of Phenols, phenolic compounds (such as in Juice, fruit juice, tea, and wine). The phenols are first converted to benzoic acid, and then to hippuric acid and excreted in urine. Hippuric acid crystallizes in rhombus, rhombic prisms which are readily soluble in hot water, melt at 187 °C, and decompose at about 240 °C. High concentrations of hippuric acid may also indicate a Toluene (toxicology), toluene intoxication, however, scientists have called this correlation into question, because there are other variables that affect levels of hippuric acid. When many aromatic compounds such as benzoic acid and toluene are taken internally, they are converted to hippuric acid by reaction with the amino acid glycine. Synthesis A mod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Malonic Acid Malonic acid is a dicarboxylic acid with structure CH2(COOH)2. The ionized form of malonic acid, as well as its esters and salts, are known as malonates. For example, diethyl malonate is malonic acid's diethyl ester. The name originates from the Greek word μᾶλον (''malon'') meaning 'apple'. History Malonic acid is a naturally occurring substance found in many fruits and vegetables. There is a suggestion that citrus fruits produced in organic farming contain higher levels of malonic acid than fruits produced in conventional agriculture. Malonic acid was first prepared in 1858 by the French chemist Victor Dessaignes via the oxidation of malic acid. Hermann Kolbe and Hugo Müller independently discovered how to synthesize malonic acid from propionic acid, and decided to publish their results back-to-back in the Chemical Society journal in 1864. This led to priority dispute with Hans Hübner and Maxwell Simpson who had independently published preliminary results on rela ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Justus Von Liebig Justus ''Freiherr'' von Liebig (12 May 1803 – 18 April 1873) was a Germans, German scientist who made major contributions to the theory, practice, and pedagogy of chemistry, as well as to agricultural and biology, biological chemistry; he is considered one of the principal founders of organic chemistry. As a professor at the University of Giessen, he devised the modern laboratory-oriented teaching method, and for such innovations, he is regarded as one of the most outstanding chemistry teachers of all time. He has been described as the "father of the fertilizer industry" for his emphasis on nitrogen and minerals as essential plant nutrients, and his popularization of the law of the minimum, which states that plant growth is limited by the scarcest nutrient resource, rather than the total amount of resources available. He also developed a manufacturing process for Meat extract, beef extracts, and with his consent a company, called Liebig Extract of Meat Company, was founded to e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Émilien Renou Émilien is a French masculine given name and may refer to: Émilien of Nantes (died c. 725), French religious leader canonized as a saint Émilien Allard (1915–1977), Canadian carillonneur, pianist, clarinetist, and composer Émilien Amaury (1909-1977), French publishing magnate Émilien-Benoît Bergès (born 1983), French road racing cyclist Émilien Dumas (1804–1873), French scholar, paleontologist, and geologist Émilien Jacquelin (born 1995), French biathlete Émilien Lafrance (1911–1977), Canadian politician Émilien Morissette (born 1927), Canadian politician Émilien de Nieuwerkerke (1811–1892), French sculptor Émilien Pelletier (born 1945), Canadian politician Émilien Viennet Émilien Viennet (born 6 February 1992 in Besançon Besançon (, ; , ; archaic ; ) is the capital of the Departments of France, department of Doubs in the region of Bourgogne-Franche-Comté. The city is located in Eastern France, close to t ... (born 1992), French road ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
picture info	1800 Births As of March 1 (Old Style, O.S. February 18), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day further behind, bringing the difference to 12 days until February 28 (Old Style, O.S. February 16), 1900. Events January–March * January 1 Quasi-War: Action of 1 January 1800 – A naval battle off the coast of Haiti, between four United States merchant vessels escorted by naval schooner , and a squadron of armed barges manned by Haitian pirates (known as wikt:picaroon, picaroons), under the command of general André Rigaud, ends indecisively. The Dutch East India Company dissolves. * February 7 – A public 1800 French constitutional referendum, plebiscite in France confirms Napoleon as First Consul, by a substantial majority. * February 11 – Infrared radiation is discovered by astronomer Sir William Herschel. * February 22 – The Baker rifle, designed by Ezekiel Baker, is selected ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	1885 Deaths Events January * January 3– 4 – Sino-French War – Battle of Núi Bop: French troops under General Oscar de Négrier defeat a numerically superior Qing Chinese force, in northern Vietnam. * January 17 – Mahdist War in Sudan – Battle of Abu Klea: British troops defeat Mahdist forces. * January 20 – American inventor LaMarcus Adna Thompson patents a roller coaster. * January 24 – Irish rebels damage Westminster Hall and the Tower of London with dynamite. * January 26 – Mahdist War in Sudan: Troops loyal to Mahdi Muhammad Ahmad conquer Khartoum; British commander Charles George Gordon is killed. February * February 5 – King Leopold II of Belgium establishes the Congo Free State, as a personal possession. * February 9 – The first Japanese arrive in Hawaii. * February 16 – Charles Dow publishes the first edition of the Dow Jones Industrial Average. The index stands at a level of 62.76, and represents the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	French Chemists French may refer to: * Something of, from, or related to France French language, which originated in France French people, a nation and ethnic group ** French cuisine, cooking traditions and practices Arts and media * The French (band), a British rock band * "French" (episode), a live-action episode of ''The Super Mario Bros. Super Show!'' * ''Française'' (film), a 2008 film * French Stewart (born 1964), American actor Other uses * French (surname), a surname (including a list of people with the name) * French (tunic), a type of military jacket or tunic * French's, an American brand of mustard condiment * French (catheter scale), a unit of measurement * French Defence, a chess opening * French kiss, a type of kiss See also * France (other) * Franch, a surname * French Revolution (other) * French River (other), several rivers and other places * Frenching (other) * Justice French (other) Justice French may refer to: * C. G. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]