Table 1.

The general structure of N-alkyl/aryl chitosan derivatives.

Compounds	Code	R1	R2	R3	%Yield
Chitosan	–	H	H	H	–
Methyl Chitosan	1a	CH3	H	H	88%
Ethyl Chitosan	1b	C2H5	H	H	80%
Benzyl Chitosan	1c	CH2Ph	H	H	85%
Trimethyl Chitosan	2a	CH3	CH3	CH3	90%
Diethyl Methyl Chitosan	2b	CH3	C2H5	C2H5	92%
Dimethyl Ethyl Chitosan	2c	C2H5	CH3	CH3	86%
Dimethyl Benzyl Chitosan	2d	CH2Ph	CH3	CH3	83%
Diethyl Benzyl Chitosan	2e	CH2Ph	C2H5	C2H5	91%