Anagrams & Informasjon om | Engelsk ordet DIENES

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Eksempler på bruk av DIENES i en setning

• As a subunit of more complex molecules, dienes occur in naturally occurring and synthetic chemicals and are used in organic synthesis.
• Between the wars (for almost 20 years, until 1944) Bárdos composed the music for several large-scale "movement dramas" produced by the pioneering Hungarian modern dancer Valéria Dienes (herself a former student––and only authorized translator into Hungarian––of the French philosopher Henri Bergson, as well as being the founder of the first school of eurhythmics in Hungary).
• In asymmetric dienes one often needs to consider the stereochemistry, which in the case of pericyclic reactions, such as the Cope rearrangement, can be predicted with the Woodward–Hoffmann rules and consideration of the preference for the chair transition state geometry.
• SO inserts into alkenes, alkynes and dienes producing thiiranes, molecules with three-membered rings containing sulfur.
• Butyllithium is principally valued as an initiator for the anionic polymerization of dienes, such as butadiene.
• Related Lewis acid-promoted reactions include as epoxide ring openings and decomplexation of dienes from iron carbonyls.
• Andre de Dienes - (1913-1985) born Andor György Ikafalvi-Dienes in Torja, Hungary, today Turia, Romania.
• Initial studies which demonstrated the transient intermediacy of the seven-, six- and five-membered cycloalkynes relied on trapping of the high-energy alkyne with a suitable reaction partner, such as a cyclic dienes or diazo compounds to generate the Diels–Alder or diazoalkane 1,3-dipolar cycloaddition products, respectively.
• Parsons showed work by William Congdon, Clyfford Still, Theodoros Stamos, Ellsworth Kelly, Mark Rothko, Hedda Sterne, Forrest Bess, Michael Loew, Lyman Kipp, Judith Godwin, and Sari Dienes, among others.
• Dicyanoacetylene is a powerful dienophile because the cyanide groups are electron-withdrawing, so it is a useful reagent for Diels-Alder reactions with unreactive dienes.
• Examples of common manipulatives include number lines, Cuisenaire rods; fraction strips, blocks, or stacks; base ten blocks (also known as Dienes or multibase blocks); interlocking linking cubes (such as Unifix); construction sets (such as Polydron and Zometool); colored tiles or tangrams; pattern blocks; colored counting chips; numicon tiles; chainable links; abaci such as "rekenreks", and geoboards.
• In 1978, Rubottom showed that siloxy 1,3 dienes, derived from acyclic or cyclic enones could also serve as substrates for the Rubottom oxidation to forge α-hydroxy enones after treatment with triethyl ammonium fluoride.
• At the first meeting on March 17, 1972, in Williams' loft, women artists met, among them were Maude Boltz, Linda Vi Vona, Nancy Spero, Louise Bourgeois, Howardena Pindell, Ree Morton, Harmony Hammond, Cynthia Carlson and Sari Dienes.
• APC catalyzes many organic reactions, such as cross-coupling, nucleophilic addition to dienes, and decomposition of diazo compounds to reactive carbenes.
• Acyclic diene metathesis or ADMET (distinguish from ADME) is a special type of olefin metathesis used to polymerize terminal dienes to polyenes:.
• The approach to conformationally constrained (annulated)-C-glycosyl α- and β-amino acids is based upon the Diels-Alder reaction of pyranose dienes with α- and β-nitro acrylic esters.
• Group Portrait are Nancy Spero, Howardena Pindell, Agnes Denes, Sari Dienes, Blythe Bohnen, Dotty Attie, and Mary Beth Edelson.
• In acyclic dienes, this free rotation leads to diradical reconnection, short-circuiting the di-π-methane process.
• Zirconocene dichloride can be used to cyclise enynes and dienes to give cyclic or bicyclic aliphatic systems.
• As an enone, cyclohexenone is easily adapted to Michael addition with nucleophiles (such as enolates or silyl enol ethers) or, it could be employed by a Diels-Alder reaction with electron-rich dienes.

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