The Invention of New Radical Chain Reactions. Part 9. Further Radical Chemistry of Thiohydroxamic Esters; Formation of Carbon-Carbon Bonds
Carbon radicals derived from the esters of several types of thiohydroxamic acids have been trapped in a number of different ways.Particular attention has been paid to carbon-carbon bond formation by addition to suitably activated ethylenic linkages.Carboxylic acids can be conveniently converted into homo- and bishomo-acids by free radical chemistry based on thiohydroxamic esters.In a coda the tautomerism of the thiohydroxamic acids have been examined by physical methods.It is confirmed that the esters used are derivatives of the thione tautomer.
Barton, Derek H.R.,Crich, David,Kretzschmar, Gerhard
p. 39 - 54
(2007/10/02)
RADICAL CHEMISTRY OF THIOHYDROXAMIC ACID ESTERS
Thiohydroxamic esters in general decompose smoothly by a radical chain reaction to give carbon radicals which can be quenched in a synthetically useful manner.
Barton, Derek H. R.,Kretzschmar, Gerhard
p. 5889 - 5892
(2007/10/02)
SYNTHESIS AND ALKYLATION OF 2-MERCAPTO-4-QUINAZOLONE AND THE FUNGICIDAL ACTIVITIES OF THE COMPOUNDS OBTAINED
A convenient method of obtaining 2-mercapto-4-quinazolone has been developed and the alkylation of its ambidentate anions has been studied.It has been found that they exhibit a dual reactivity in alkylation reactions.It has been shown that alkylated 2-mercapto-4-quinazolones possess a moderate fungicidal activity.
Shakhadoyatov, Kh. M.,Yangibaev, S.,Yun, L. M.,Kadyrov, Ch. Sh.
p. 106 - 111
(2007/10/02)
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