Reaction of α and γ-methylpyrylium salts with orthoesters |
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| Authors: | G. N. Dorofeenko V. V. Mezheritskii A. L. Vasserman |
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| Affiliation: | 1. Scientific-Research Institute of Physical and Organic Chemistry, Rostov State University, Rostov-on-Don
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| Abstract: | ![]()
The reaction of orthoesters with α- and γ-methylpyrylium salts gives 2- and 4-alkoxyvinyl-pyrylium salts the acid hydrolysis of which leads to 2- and 4-hydroxyvinylpyrylium salts and the alkaline hydrolysis to pyranylideneacetaldehydes. |
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