101595-78-2Relevant articles and documents
Pyridinium bromide as a new mediator for electrochemical transformations involving CH-acids
Vereshchagin, Anatoly N.,Dorofeeva, Evgeniya O.,Elinson, Michail N.,Korolev, Victor A.,Egorov, Mikhail P.
, p. 391 - 392 (2019)
Pyridinium bromide has been tested as a new mediator for electrochemical synthesis of functionalized cyclopropane from alkylidenemalononitriles and CH-acids. The process was performed in an undivided cell with the use of substoichiometric amount of PyHBr
Stereoselective electrocatalytic transformation of malonate and alkylidenecyanoacetates into (E)-3-substituted 2-cyanocyclopropane-1,1,2-tricarboxylates
Elinson, Michail N.,Feducovich, Sergey K.,Starikova, Zoya A.,Vereshchagin, Anatolii N.,Belyakov, Pavel A.,Nikishin, Gennady I.
, p. 3989 - 3996 (2006)
Electrolysis of malonate and alkylidenecyanoacetates in alcohols in an undivided cell in the presence of NaBr results in stereoselective formation of (E)-3-substituted 2-cyanocyclopropane-1,1,2-tricarboxylates in 75-90% yields.
ELECTROCHEMICAL CYCLIZATION OF TETRAMETHYL ESTERS OF 2-SUBSTITUTED PROPANE-1,1,3,3-TETRACARBOXYLIC ACIDS IN THE PRESENCE OF SALTS OF HYDROHALIC ACIDS
Elinson, M. N.,Fedukovich, S. K.,Nikishin, G. I.
, p. 2523 - 2529 (2007/10/02)
The chemical and electrochemical cyclization of tetramethyl esters of 2-substituted propane-1,1,3,3-tetracarboxylic acids in the presence of hydrohylic acid salt mediators were studied.It was found that the chemical variant of the cyclization of the corresponding α,α'-dianions of esters of propane-1,1,3,3-tetracarboxylic acids by the action of iodine or bromine is substantially inferior to the electrochemical variant.In the latter case, the esters of substituted cyclopropane-1,1,3,3-tetracarboxylic acids are formed in a 87-98percent yield.The tetramethyl ester of 2-isopropylpropane-1,1,3,3-tetracarboxylic acid, which under the electrolysis conditions decomposes according to a Michael retroreaction is an exception.
