Technical Notes:

1. Catalyst for the conversion of enynes to catechol derivatives .

2.Catalyst for the intermolecular 2 +2+1 cycloaddition of ketones, co and alkenes or alkynes.

3.3-Component couplings .

4.Reaction of a,ß-uns aturated imines with carbon monoxide and alkenes to form ß,v-unsaturated y butyroactams. 5.Ester decarboxylation .

6.Catalyst for hydroamination and C-H bond activation.

7.Used in sp3 C-H bond arylation and carbonylation.

8. Ru/halide catalytic system for c-C bond forming reaction between alkynes and unsaturated carbonyl compounds . 9. Amination of a-hydroxy amides.

References: 1.J. Am. Chem. Soc., 1993, 1 15, 1 1614. 2.J. Am. Chem. Soc., 2000, 122, 12663. 3.Chem. Commun., 2002, 2868. 4.J. Org. Chem., 2002, 67, 7014. 5.J.Am. Chem. Soc., 2001 , 1 23, 4849. 6.J.Am.Chem Soc., 2005, 127, 5782. 7.J. Am. Chem. Soc., 2006, 128, 14220. 8.Adv. Synth. Catal., 2007, 349, 2563. 9.J. Am. Chem. Soc., 2011, 133, 8070. 10Angew. Chem. Int. Ed., 2011, 50, 11197