Orthoamides and Iminium Salts LXXXII: Cleavage of Orthoamides of Alkynecarboxylic Acids by Elemental Iodine – A New Method for the Preparation of Vinylogous Guanidinium Salts.

Autor: Willi Kantlehner, Rüdiger Stieglitz, Ralf Kreß, Wolfgang Frey, Ioannis Tiritiris
Předmět:
Zdroj: Synthesis; 2012, Vol. 44 Issue 19, p3090-3094, 5p
Abstrakt: Orthoamides of six alkynecarboxylic acids, possessing reactive substituents in 3-position, are transformed by elemental iodine to the corresponding vinylogous guanidinium iodides. The constitution of two of the iodides was established by crystal-structure­ analysis. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index