File Name : figure s5-inproved.tif Caption : figure s5. e isomer concentration vs time at different temperatures in the range of 45-75°c for the compounds 1a-c and 2a-c. File Name : figure s6-inproved.tif Caption : figure s6. s0 and t1 potential energy surfaces (pes) obtained for compounds 1a-c. b3lyp/6-311+g(d,p) in acetonitrile.