Synthesis, crystal structure, DFT and molecular docking studies of N-acetyl-2,4-[diaryl-3-azabicyclo[3.3.1]nonan-9-yl]-9-spiro-4′-acetyl-2′-(acetylamino)-4′,9-dihydro-[1′,3′,4′]-thiadiazoles: A potential SARS-nCoV-2 Mpro (COVID-19) inhibitor
作者:Ramachandran Rajamanickam、Rani Mannangatty、Jayanthi Sampathkumar、Kabilan Senthamaraikannan、Barathi Diravidamani
DOI:10.1016/j.molstruc.2022.132747
日期:2022.7
synthesis and crystal structure analysis of N-acetyl-2,4-[diphenyl-3-azabicyclo[3.3.1]nonan-9-yl]-9-spiro-4′-acetyl-2′-(acetylamino)-4′,9-dihydro-[1′,3′,4′]-thiadiazole (3a) and N-acetyl- 2,4-[bis(p-methoxyphenyl)-3-azabicyclo[3.3.1]nonan-9-yl]-9-spiro-4′-acetyl-2′-(acetylamino)-4′,9-dihydro-[1′,3′,4′]-thiadiazole (3b). The title compounds 3a and 3b were characterized by 1D NMR and single crystal x-ray diffraction
在本文中,我们描述了 N-acetyl-2,4-[diphenyl-3-azabicyclo[3.3.1]nonan-9-yl]-9-spiro-4'-acetyl-2' 的合成和晶体结构分析。 -(乙酰氨基)-4',9-二氢-[1',3',4']-噻二唑( 3a)和N-乙酰基-2,4-[双(对甲氧基苯基)-3-氮杂双环[3.3. 1]壬-9-基]-9-螺-4'-乙酰基-2'-(乙酰氨基)-4',9-二氢-[1',3',4']-噻二唑(3b )。标题化合物3a和3b通过 1D NMR 和单晶 X 射线衍射分析进行了表征。分子中的非共价相互作用通过 Hirshfeld 表面(d范数接触和 2D 指纹图)分析来确定。此外,分子结构中存在硫族键(S•••O 键)(3a和3b ) 用 NCI-RDG 和 QTAIM 分析进行描述。NBO 分析用于描述硫和氧原子之间的轨道相互作用和电子转移。对化合物3a和3b与