Synthesis of 1,5-Benzodiazepine and Its Derivatives by Condensation Reaction Using H-MCM-22 as Catalyst

Table 2

Synthesis of 1,5-benzodiazepines and its derivatives using H-MCM-22 through a condensation reaction between a series of OPDA and various ketones.

Entry	Diamine	Ketone	Product	Time (min)	Yield (%)
1				60	87
2				60	85
3				60	86
4				50	88
5				60	69
6				120	85
7				120	78
8				120	81