Chugaev discovered that dimethylglyoxime forms a scarlet solid upon reaction with nickel(II) ions. This reaction was one of the first "spot tests" for a metal ion. An adherent to the theories of Alfred Werner, Chugaev made several contributions to the chemistry of platinum. The salt [Pt(NH3)5Cl]Cl3 containing the chloropentammineplatinum(IV) ion, is called "Chugaev's salt". Other complexes prepared in his laboratory include [Pt(SEt2)4][PtCl4], [Pt(NH3)5OH]Cl3, [Os(S… WebThe six-membered transition state in the Chugaev reaction provides a stereochemical flexibility that the leaving group and an anti-hydrogen atom in the β-position can leave the substrate jointly as a thiocarboxylic acid half ester. For example, in the Chugaev reaction shown below, we get a mixture of two olefins.
(PDF) Study of structure and properties of platinum(II) chloride ...
WebMar 15, 2011 · In this chapter the Chugaev reaction is defined as the thermal decomposition of the xanthate ester of an alcohol that contains at least one beta-hydrogen atom to produce one or more olefins, carbon oxysulfide and a mercaptan. The formation of olefins by the pyrolysis of xanthates was discovered in 1899 by Chugaev in connection … WebIn this lecture, we are going to discuss about the four different reagent based eliminations chemistry (pyrolytic syn elimination, chugaev reaction, cope eli... rcmp vehicle check
Atomic Tunneling in the Chugeav Elimination Reaction
WebReactions in which two atoms or atom groups X and Y are removed from a compound are referred to as eliminations (Figure 4.1). In many elimination reactions, X and Y are removed in such a way that they do not become constituents of same molecule. ... The Chugaev Reaction,” Org. React. 1962, 12, 57–100. CAS Google Scholar S. Z. Zard, “On ... WebJun 3, 2015 · Chugaev discovered the thermal elimination reaction in 1899 1 in connection with his studies on the optical properties of xanthates. 2 This elimination was first used for the structural determination of terpenes. In Chugaev’s protocol, alkoxide i, produced by treating alcohol 1 with sodium metal, is treated with carbon disulfide and the resulting … WebThere are analogous reactions of esters and xanthates (Chugaev reaction) which proceed via six-membered cyclic transition states: The transition state in these reactions is not … rcmp use of force active resistance