1,3-Dipolar Cycloaddition of Nitrile Imines with Cyclic α-β-Unsaturated Ketones: A Regiochemical Route to Ring-Fused Pyrazoles
作者:Jay Zumbar Chandanshive、Bianca Flavia Bonini、William Tiznado、Carlos A. Escobar、Julio Caballero、Cristina Femoni、Mariafrancesca Fochi、Mauro Comes Franchini
DOI:10.1002/ejoc.201100558
日期:2011.7.8
1,3-Dipolar cycloadditions of C-carboxymethyl-N-arylnitrile imines with cyclic α,β-unsaturated ketones of various sizes have been studied. After cycloaddition, oxidative aromatization gives the ring-fused pyrazoles. Computational studies and the use of topological analyses of the Fukui functions allows a theoretical description of the local reactivity that is in agreement with the experimentally observed
已经研究了 C-羧甲基-N-芳基腈亚胺与各种尺寸的环状 α,β-不饱和酮的 1,3-偶极环加成反应。环加成后,氧化芳构化得到稠环吡唑。Fukui 函数的计算研究和拓扑分析的使用允许对与实验观察到的区域化学一致的局部反应性进行理论描述。