This process is {TAIL ~ an industrially advantageous process} for producing {HEAD ~ di tert} butyl dicarbonate from tert butyl alcohol and an alkali metal 
This process is { TAIL ~ an industrially advantageous process } for producing { HEAD ~ di tert } butyl dicarbonate from tert butyl alcohol and an alkali metal
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH