mechanism. A library of 15 2-alkyl-1,2-benzisoselenazol-3(2H)-ones was prepared. One member of the library was azide-containing derivative 1j that was competent to undergo a strain-promoted azide–alkyne cycloaddition. The library was evaluated for inhibition of Mycobacterium tuberculosis (Mtb) growth and Mtb Antigen 85C (Mtb Ag85C) activity. Compound 1f was most potent with a minimal inhibitory concentration
以eb
SElen(1a)为代表的2-烷基-1,2-苯并
硒代
咪唑-3(2 H)-酮正在广泛地用于一系列医学应用中。我们都描述了一种新的热和光致
铜介导的
硒氰酸钾(K
SECN)和之间的交叉耦合Ñ取代邻-halobenzamides以形成2-烷基-1,2-苯并异
硒唑-3(2 ħ) -酮含有C-
硒键。
铜配体(1,10-
菲咯啉)通过可能涉及原子转移(AT)的机制促进加热过程中C-
SE键的形成,而在没有
配体的情况下,光诱导的活化可能通过单电子转移(
SET)进行机制。一个15 2-烷基-1,2-苯并亚
硒唑-3(2 H)-准备好了。文库的一个成员是含
叠氮化物的衍
生物1j,它能够经受应变促进的
叠氮化物-
炔烃环加成反应。评价该文库对结核分枝杆菌(Mtb)生长和Mtb抗原85C(Mtb Ag85C)活性的抑制作用。化合物1f最有效,最小抑制浓度(MIC)为12.5μg/ mL,Mtb Ag85C表观IC 50为8