Russian Chemical Bulletin p. 595 - 598 (1994)
Update date:2022-08-30
Topics:
Guseva, T. I.
Senchenya, N. G.
Mager, K. A.
Tsyryapkin, V. A.
Gololobov, Yu. G.
The conditions for the Knoevenagel synthesis of 2-cyanoacrylates containing double and triple bonds in the alkoxycarbonyl group have been studied.It was found that the esters are formed in 10-70percent yields by the condensation of the respective cyanoacetates with formaldehyde in the 1:1 ratio in the presence of piperidine, followed by the pyrolysis of the oligomers formed in vacuo at 170-200 deg C in the presence of para-toluenesulfonic acid.The compounds synthesized readily undergo polymerization at room temperature and can be used as the basis for themostable readily polymerizing adhesives. - Key words: cyanoacetates, 2-cyanoacrylates, paraform, formaldehyde, 2-cyanoacrylates.
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