We have developed a
synthesis of very reactive metal-metal double bonds and are studying their reactions.
For example,
C5Me5(CO)2Re=Re(CO)2C5Me5
reacts with H2 at -78oC to produce
C5Me5(CO)2Re(µ-H)2Re(CO)2
C5Me5. We have uncovered a myriad of interesting products from
reactions with alkynes.