Synthesis of (Z) -2 - ((pyridin-4-yl) methylene) - [1,3] dioxolo [4,5-f]-indolin-3-one and (Z) -2 - ((pyridin- 2 -yl) methylene) - [1,3] dioxolo [4,5-f]-indolin-3-one, Rhodium Coordination, and their catalytic activity in the hydroformylation of allyl hom. (2013). Revista De Investigaciones Universidad Del Quindío, 24(1), 37-48. https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/191