One-Pot Synthesis of N-Alkyl Indole from Indoline-2-carboxylic Acids and Alkyl Halides by 2,3-Dicyano-5,6-dichlorobenzoquinone (DDQ) Mediated Oxidative Decaboylative Aromatization
Zhu Runyu, Zhai Min, Liu Shuang, Liu Xingtong, Wang Zhen, Ju Ruijun, Yu Xinhong
Chinese Journal of Organic Chemistry . 2020, (7): 2045 -2050 .  DOI: 10.6023/cjoc202001025