Catalytic asymmetric formal [3+2] cycloaddition of isatogens with azlactones to construct indolin-3-one derivatives
作者:Lihua Xie、Yi Li、Shunxi Dong、Xiaoming Feng、Xiaohua Liu
DOI:10.1039/d0cc06418a
日期:——
A number of enantioenriched indolin-3-one derivatives were readily obtained by chiral guanidine-catalyzed [3+2] cycloaddition of isatogens with azlactones.
Divergent Pd(ii) and Au(iii) mediated nitroalkynol cycloisomerizations
作者:Pitambar Patel、Chepuri V. Ramana
DOI:10.1039/c0ob00858c
日期:——
A new cycloisomerization reaction comprising the simultaneous addition of nitro and alcohol groups across CC leading to skeletally diverse small molecules is documented.