The reaction of 3,6-diphenyl-1,2,4,5-tetrazine 1 with cis,cis-cycloocta-1,5-diene 7 has been studied with a view to preparing some interesting dihydropyridazine derivatives. Refluxing a mixture of 1 with excess of 7 in benzene solution for 8hr resulted in the formation of a mixture of products consisting of 1,4-diphenyl-10a-hydroperoxy-4a, 5,6,9,10,10a-hexahydrocycloocta[d]pyridazine (8, 27%) and 2
为了制备一些有趣的二氢
哒嗪衍
生物,已经研究了3,6
-二苯基-1,2,4,5-四嗪1与顺式,顺式-环辛-1,5-二烯7的反应。将1与过量7的混合物在苯溶液中回流8小时,导致形成由1,4
-二苯基-10a-氢过氧-4a,5,6,9,10,10a-六氢环辛基[d]组成的产物混合物]
哒嗪(8,27%)和2,4a,5,6,8,10a,11,12-八氢1,4,7,10- tetraphenyldipyridazo [4,5-一个:4' ,5'-E ]环
辛烯(然而,当1与7的反应在回流的苯近40小时进行,形成的产物是产率14%8,的产率17%9和1,4-二苯基5,6,9,10-tetrahydrocycloocta的产率37%[d]
哒嗪(10)。的整齐加热1与7约150℃10小时,在另一方面,得到的产率为20%9,作为唯一的可分离产物。热解的8周围155°,得到的由2-oxocyclooct -5-烯基苯