Metal‐Free Intramolecular Carbocyanation of Activated Alkenes: Functionalized Nitriles Bearing β‐Quaternary Carbon Centers

2013 ◽  
Vol 125 (35) ◽  
pp. 9466-9470 ◽  
Author(s):  
Jianming Chen ◽  
Gongfeng Zou ◽  
Weiwei Liao
Keyword(s):  
Quaternary Carbon ◽  
Metal Free ◽  
Carbon Centers

scholarly journals Metal-Free–Catalyzed Oxidative Trimerization of Indoles Using NaNO2 to Construct Quaternary Carbon Centers: Synthesis of 2-(1H-Indol-3-yl)-2,3′-biindolin-3-ones

2014 ◽  
Vol 44 (15) ◽  
pp. 2215-2221 ◽  
Author(s):  
Jun Xue ◽  
Yunhong Bao ◽  
Wenbing Qin ◽  
Jiayi Zhu ◽  
Yubo Kong ◽  
...  
Keyword(s):  
Quaternary Carbon ◽  
Metal Free ◽  
Carbon Centers

Metal-free graphene oxide-catalyzed aza-semipinacol rearrangement to prepare 2-(indol-2-yl)phenols and benzofuro[3,2-b]indolines containing quaternary carbon centers

2020 ◽  
Vol 22 (2) ◽  
pp. 404-410 ◽  
Author(s):  
Hong-Ping Zhao ◽  
Gui-Chao Liang ◽  
Shu-Min Nie ◽  
Xiuqiang Lu ◽  
Cheng-Xue Pan ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Environmentally Friendly ◽  
Quaternary Carbon ◽  
Metal Free ◽  
Carbon Centers ◽  
Free Graphene ◽  
Semipinacol Rearrangement

A metal-free, heterogeneous, inexpensive, and environmentally friendly graphene oxide-catalyzed aza-semipinacol rearrangement was developed to prepare various 2-(indol-2-yl)phenols and benzofuro[3,2-b]indolines in good to excellent yields.

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