derivatives were formed in a fully regioselective manner in high yields. In a competition experiment, the non-fluorinated 1-(morpholin-4-yl)ethanethione was shown to be more reactive towards a model nitrile imine than its 2,2,2-trifluoromethylated analogue.
富
氟的1,3,4-
噻二唑衍
生物是通过将原位生成的N-芳基-
三氟乙腈亚胺与叔多
氟链烷
硫基酰胺(N,N-二烷基
硫代酰胺)进行1,3-偶极环加成制备的。在室温下于温和条件下于THF溶液中进行反应。1,3,4-
噻二唑衍
生物以完全区域选择性的方式高产率形成。在竞争实验中,未
氟化的1-(吗啉-4-基)乙
硫酮对模型腈
亚胺的反应性高于其2,2,2-三
氟甲基化类似物。