One-Pot Synthesis of 3-Sulfenyl/Selenylimidazo[1,5-<i>a</i>
]quinolines from 2-Methylquinolines, Aliphatic Amines/Amino Acids, and Dichalcogenides
作者:Mummadi Sandeep、MD. Muzaffar-ur-Rehman、Geetala Pradeep Kumar、Balasubramanian Sridhar、Kallu Rajender Reddy
DOI:10.1002/ejoc.201901174
日期:2019.9.22
5‐a]quinolines from 2‐methylquinolines, aliphatic amines/amino acids and dichalcogenides. This developed method gives direct access to 3‐chalcogenylimidazo[1,5‐a]quinolines in moderate to good yields with good functional group tolerance from readily available starting materials. Moreover, this protocol can avoid the prior synthesis of fused imidazoles as starting materials for the synthesis of 3‐chalcogenylimidazo[1
已经开发出一锅苯磺酰化/硒酰化反应,以从 2-甲基喹啉、脂肪胺/氨基酸和二硫属元素化物中获得 3-硫磺酰/硒酰咪唑并[1,5-a]喹啉。这种开发的方法可以直接获得 3-硫族基咪唑并 [1,5-a] 喹啉,产率中等至良好,具有良好的官能团耐受性,可从易得的起始材料中获得。此外,该方案可以避免预先合成稠合咪唑作为合成 3-硫族基咪唑并 [1,5-a] 喹啉的起始原料。此外,我们还展示了 3-硫基咪唑并 [1,5-a] 喹啉与 m-CPBA 的合成效用,可以以良好到优异的产率提供相应的砜。