Propargylamine (secondary) as a building block in indole synthesis involving ultrasound assisted Pd/Cu-catalyzed coupling-cyclization method: Unexpected formation of (pyrazole)imine derivatives
作者:Gangireddy Sujeevan Reddy、Suresh Babu Nallapati、P.S.V.K. Sri Saranya、B. Sridhar、Varadaraj Bhat Giliyaru、Raghu Chandrashekhar Hariharapura、G. Gautham Shenoy、Manojit Pal
DOI:10.1016/j.tetlet.2018.11.037
日期:2018.12
Propargylamine (secondary) has been explored as a buildingblock in synthesizing indoles via an ultrasound assisted Pd/Cu-catalyzed coupling-cyclization method. Indoles containing a pyrazole moiety at C-2 attached via the –CH2NH– linker (designed as potential anti-tubercular agents) were synthesized first and then generality/scope of the methodology was expanded by synthesizing other indoles. Unexpected