1,3-Selenaza-1,3-butadienes were generated by thermal cycloreversion of 6H-1,3,5-oxaselenazines, and were trapped with dienophiles or nucleophiles to give the corresponding [4+2] cycloadducts or 1,4-adducts, respectively.
1,3-
硒氮杂-
1,3-丁二烯是通过6H-1,3,5-氧
硒嗪的热环逆反应生成的,并与二烯亲电试剂或亲核试剂反应,分别形成相应的[4+2]环加成物或1,4-加成物。