(R)-1-((3,3'-Dibromo-2'-((tert-butyldimethylsilyl)oxy)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalen]-2-yl)oxy)-1-(2,5-dimethyl-1H-pyrrol-1-yl)-N-(2,6-dimethylphenyl)-1-(2-methyl-2-phenylpropyliden

Technical Notes:
1. Catalyst used for:
a.Enantio-selective ring opening /cross metathesis.
b.Ring closing metathesis .
c.Enantio- and e ndo-selective ene-yne ring closing metathesis.
References:
1.Nature, 2011, 471, 461-466.
2.J. Am. Chem. Soc., 2012, 134, 2788-2799.