Kinetic and Mechanistic Investigation of Pyrano[2,3-d]pyrimidine Formation in the Presence of Catalyst under Novel One-Pot Three-Component Reaction

Figure 4

First pseudoorder fit curve (solid line) accompanied by the original experimental curve (dotted line) with respect to 4-nitrobenzaldehyde 2, for the reaction between 1 (10⁻² M), 3 (10⁻² M), and 2 (10⁻³ M) which proceeded in methanol at 25°C and 415 nm.