Synthesis, characterization, optical and anti-bacterial properties of benzothiazole Schiff bases and their lanthanide (III) complexes

L1

  and 

L2 

along  with  their  lanthanide 

complexes 

1

-

6

 based on Ce

3+

, Pr

3+

 and Nd

3+

. 

EXPERIMENTAL SECTION

General information of reagents and material: 

Chemicals and reagents were used as received 

from  various  commercial  sources,  i.e.  1,3-benzenedicarboxaldehyde,  5-nitro-benzothiazole,  2-

amino-5-methylthiazole  and  lanthanide  salts,  cerium  nitrate,  neodymium  nitrate  and 

praseodymium nitrate were purchased form Sigma-Aldrich Pvt. Ltd. Laboratory grade solvents 

such as methanol and ethyl acetate were procured from HiMedia Pvt. Ltd and used as received.