Photochemical Isomerization of Furylacrylic Acids (CROSBI ID 131677)
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Podaci o odgovornosti
Karminski-Zamola, Grace ; Jakopčić, Krešimir
engleski
Photochemical Isomerization of Furylacrylic Acids
It was shown that cis -3- (2'-furyl)acrylic acid (Ib) cis-2-methyl-3-(2'-furyl)acrylic acid (IIIb) and cis -2-methyl-3- (5'-methyl-2'-furyl)acrylic acid (IVb)can conveniently prepared by photochemical isomerization of the corresponding trans acids (Ia-IVa). the rate of the isomerization and the composition of the mixture at photoequilibrium in water-filtered ultraviolet is not influenced by methyl substitution. The isomeric acids were separated through their cyclohexylammonium salts and characterized by elemental analyses, uv and ir spectra.
Photochemival Isomerization; Furylacrylic Acids
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