Cs₂CO₃/[bmim]Br as an Efficient, Green, and Reusable Catalytic System for the Synthesis of N-Alkyl Derivatives of Phthalimide under Mild Conditions

Table 2

Synthesis of N-alkyl phthalimides using Cs₂CO₃/[bmim]Br catalytic system.

R	Product^a	Time (min)	Yield (%)^b
CH3CH2	1a	90	98
CH3 (CH2)2CH2	1b	90	98
CH3 (CH2)4CH2	1c	90	97
C6 H5CH2	1d	100	96
C6 H5CH2CH2	1e	100	96
C6 H5CH=CHCH2	1f	100	95
o-CH3O-C6 H4OCH2CH(OH)CH2	1g	130	93
C6 H5	1h	70	96
	1i	70	94

^aAll compounds are known and their structures were identified by comparison of their melting points and spectral data with those in the authentic samples.^bIsolated yield.