An expeditious access of 2,5′-dioxo-5′,6′,7′,8′-tetrahydro-1′H-spiro[indoline-3,4′-quinoline]-3′-carboxylate by reaction of isatin, ethyl cyanoacetate and enaminone in water

Physical Sciences and Engineering Chemistry Organic Chemistry

Keshri Nath Tiwari, S.M. Prabhakaran, Vaneet Kumar, Thakar Snehal Rajendra, Shintu Mathew,