1. Organic Synthesis Group
2. Department of Chemistry
3. School of Chemical and Biotechnology
4. SASTRA University
5. Thanjavur 613401
6. Department of Biotechnology
7. India
8. Chemical Engineering and Process Development Division
9. National Chemical Laboratory
10. Pune 411 008
11. Departamento de Química Orgánica y Farmacéutica
12. Facultad de Farmacia
13. Universidad Complutense
14. 28040 Madrid
15. Spain