... IX.“ Ring Opening of 2-Amin0—3-cyan0-4,5-dihydr0furans by the Use of Benzoyl(and Acetyl) Chlorides KENJI YAMAGATA, YUKIHIKO TOMIOKA, and MOTOYOSHI YAMAZAKI* Faculty of Pharmaceutical Sciences, Fukuoka ... 2) T. Matsuda, K, Yamagata, Y. Tomioka, and M ...