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Types of Chemical Reactions
Types of Chemical Reactions

... activity series, ranking the metals by relative ease of oxidation. A metal that displaces hydrogen gas from acid is more active than hydrogen. A metal that displaces hydrogen gas from acid, but not from water, is less active than one that can displace hydrogen from water also. The ease with which a ...
half-reactions - Clayton State University
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... During this reaction, the reddish-orange dichromate ion changes color to the green chromium ion when it reacts with the alcohol; the degree of the color change is directly related to the level of alcohol in the expelled air. To determine the amount of alcohol in that air, the reacted mixture is comp ...
UNIVERSITY OF CAMBRIDGE INTERNATIONAL
UNIVERSITY OF CAMBRIDGE INTERNATIONAL

... A length of magnesium ribbon was added to 50 cm3 of sulfuric acid, concentration 1.0 mol / dm3. The time taken for the magnesium to react was measured. The experiment was repeated with the same volume of different acids. In all these experiments, the acid was in excess and the same length of magnesi ...
Oxidation and Reduction
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Organic Chemistry - Napa Valley College

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Reactions of Alkenes and Alkynes

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unit 6 - writing and balancing chemical equations

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Ch 20 Carboxylic Acids and Nitriles

... A nitrile can also be created by dehydration of an amide (RCONH2). This reaction can be accomplished with dehydrating agents such as thionyl chloride (SOCl2) and phosphorous oxychloride (POCl3). Unlike the SN2 reaction, dehydration does not have steric requirements on the C next to the nitrile C. Th ...
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Strychnine total synthesis



Strychnine total synthesis in chemistry describes the total synthesis of the complex biomolecule strychnine. The first reported method by the group of Robert Burns Woodward in 1954 is considered a classic in this research field. At the time it formed the natural conclusion to an elaborate process of molecular structure elucidation that started with the isolation of strychnine from the beans of Strychnos ignatii by Pierre Joseph Pelletier and Joseph Bienaimé Caventou in 1818. Major contributors to the entire effort were Sir Robert Robinson with over 250 publications and Hermann Leuchs with another 125 papers in a time span of 40 years. Robinson was awarded the Nobel Prize in Chemistry in 1947 for his work on alkaloids, strychnine included. The process of chemical identification was completed with publications in 1946 by Robinson and later confirmed by Woodward in 1947. X-ray structures establishing the absolute configuration became available between 1947 and 1951 with publications from J. M. Bijvoet and J.H. Robertson .Woodward published a very brief account on the strychnine synthesis in 1954 (just 3 pages) and a lengthy one (42 pages) in 1963.Many more methods exist and reported by the research groups of Magnus, Overman, Kuehne, Rawal, Bosch, Vollhardt, Mori, Shibasaki, Li, Fukuyama Vanderwal and MacMillan. Synthetic (+)-strychnine is also known. Racemic synthesises were published by Padwa in 2007 and in 2010 by Andrade and by Reissig.In his 1963 publication Woodward quoted Sir Robert Robinson who said for its molecular size it is the most complex substance known.
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