Scheme 1
From: A highly efficient green synthesis of 1, 8-dioxo-octahydroxanthenes

Optimisation of condition for reaction between dimedone and 4-NO 2 -benzaldehyde in the presence of SmCl 3 .
From: A highly efficient green synthesis of 1, 8-dioxo-octahydroxanthenes
Optimisation of condition for reaction between dimedone and 4-NO 2 -benzaldehyde in the presence of SmCl 3 .