Table 1: Physical characteristics of the synthesized azetidin-2-ones.

S.no	Comp.	M.p(0c)	Yield	Colour
1	3A	2000	35%	Black colour
2	3B	1900	40%	Yellowish colour
3	3C	2100	40%	Black colour
4	3D	1800	45%	Reddish brown colour
5	3E	1400	40%	Pale yellow colour
6	3F	1300	35%	Brown colour
7	3G	1200	40%	Black colour
8	3H	1350	40%	Black colour
9	3I	1200	45%	Black colour
10	3J	1300	35%	Black colour
11	3K	1100	40%	Brown colour
12	3L	1100	42%	Black-brown colour