Tetrahedron p. 123 - 129 (1980)
Update date:2022-07-29
Topics:
Syper, L.
Kloc, K.
Mlochowski, J.
It was found that alkenylhydroquinone ethers demethylated with argentic oxide or ceric ammonium nitrate in the presence of 2,4,6-pyridinetricarboxylic acid as a catalyst and afforded ubiquinone-2, menaquinone-2 and their analogs in yields of 53 to 89 percent.The new approach to the synthesis of starting alkenylhydroquinone ethers as well as 2,4,6-pyridinetricarboxylic acid and its derivatives has been reported.
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(1953)
