Synthesis of [1,2,5]selena(or thia)diazolo[3,4‐e][1,4]diazepines, [1,2,5]selena(or thia)diazolo[3,4‐e][1,4]oxazepines and [1,2,5]selena(or thia)diazolo[3,4‐c] [1,2,6]thiadiazines |
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| Authors: | Taisei Ueda Wataru Doi Shin‐Ichi Nagai Jinsaku Sakakibara |
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| Abstract: | Novel heterocycles 1,2,5]selenadiazolo3,4‐e]1,4]diazepines 3a‐c , 1,2,5]thiadiazolo3,4‐e]‐1,4]diazepines 7a‐c , 1,2,5]selenadiazolo3,4‐e]1,4]oxaepines 4a,b , 1,2,5]thiadiazolo3,4‐e]‐1,4]oxazepines 9a‐c and 1,2,5]selena(or thia)diazolo3,4‐c]1,2,6]thiadiazines 10a,b were synthesized starting form 4,6‐dimethyl1,2,5]se]enadiazolo3,4‐d]pyrimidine‐5,7(4H,6H)‐dione 1 or 4,6‐dimethyl‐1,2,5]thiadiazolo3,4‐d]pyrimidine‐5,7(4H,6H)‐dione 5 . |
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