115920-94-0Relevant articles and documents
CHEMISTRY OF ENOL ETHERS. LXXXIII. SYNTHESIS AND INVESTIGATION OF PENTA- AND HEXACARBOCYANINE DYES CONTAINING CYCLIC FRAGMENTS IN THE POLYMETHINE CHAIN
Makin, S. M.,Shavrygina, O. A.,Boiko, T. N.,Monich, N. V.,Pomogaev, A. I.
, p. 754 - 759 (2007/10/02)
4,6-Dimethylene- and 4,6-trimethylene-1,1,3,7,9-pentaethoxy-4,8-nonadienes were obtained by the reaction of 2,4-dimethylene- and 2,4-trimethylene-1,1,5,7-tetraethoxy-2,6-heptadienes with vinyl ethyl ether.Treatment of the products with N-methylaniline in