3 We define eco-compatible as both economically and ecologically compatible, Nature, vol.457, issue.153, 2009. ,
On Inventing Reactions for Atom Economy, Accounts of Chemical Research, vol.35, issue.9, p.695, 2002. ,
DOI : 10.1021/ar010068z
Ionic Liquids in Synthesis, 2008. ,
Ionic liquids catalyzed Biginelli reaction under solvent-free conditions, Tetrahedron Letters, vol.42, issue.34, pp.5917-5960, 2001. ,
DOI : 10.1016/S0040-4039(01)01139-X