... Chem., 2003, 1, 2173-2186 Show Compounds Show Chemical Terms. ... Each substrate (43, 45, 47) was prepared according to the chemistry described for the trichloro-compounds, with the simple ... Scheme 9 Reagents: i. OsO 4 (1 eq.), TMEDA (1 eq.), CH 2 Cl 2 , −78 °C then HCl ...