Zinc Oxide Nanoparticles Catalyzed Condensation Reaction of Isocoumarins and 1,7-Heptadiamine in the Formation of Bis-Isoquinolinones

Table 1

Optimization of the catalyst.

S. no.	Mol %
		ZnO (Vc, yield %)
		Bulk	Nano
1	5	trace	55
2	10	trace	89^a, 89^b, 88^c, 87^d
3	15	trace	90
4	20	trace^e	90

^afresh, ^b1st run, ^c2nd run, ^d3rd run, ^eZnO (bulk) tried up to 30 mol%.