have almost identical fragmentation routes. The 1,2,4-triazine rings are rather stable relative to the phosphorus rings. Therefore, fragmentation of the phosphorus rings is more favorable for the compounds than the stable 1,2,4-triazine rings. GRAPHICAL ABSTRACT
摘要 3-(4-
氯苯基)-3,4-二氢-2-乙氧基-2-氧化-7-甲基-2H,6H-
[1,2,4]三嗪基[4,3]的电子碰撞诱导碎裂反应-e][1,4,5,2]thiadiazaphosphin in-6-one (1), 3,7-dimethyl-2-ethoxy-2-oxido-1,2,3,4-tetrahydro-6H-[1 ,2,4]triazino[4,3-b][1,2,4,5]triazaphosphinin-6-one (2), 和 9-amino-3,7-dimethyl-4-ethoxy-4-oxide- 2,3,4,9-四氢-8H-[1,2,4]triazino[3,2-c][1,2,4,5]triazaphosphinin-8-one (3) 被呈现和比较。
1,2,4-三嗪环具有几乎相同的碎裂路线。
1,2,4-三嗪环相对于
磷环相当稳定。因此,
磷环的断裂比稳定的 1,2