Robins L.I.; Carpenter R.D.; Fettinger J.C.; Haddadin M.J.; Tinti D.S.; Kurth M.J.
(WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2006)
1,2,4,5-Tetrazines (prepared from aryl nitriles) condense with isoxazolylcyclobutanones (prepared from 3-benzenesulfonyl-3-vinylcyclobutanol) in methanolic KOH to give conformationally restricted 6-isoxazol-5-yl-6,7- ...