Subsequently, a new, optically active azole methyl alcohol derivative is produced by highly diastereoselective alkylation by {HEAD ~ an appropriate combination} of {TAIL ~ a protective group} and an organometallic reagent  
of
Subsequently , a new , optically active azole methyl alcohol derivative is produced by highly diastereoselective alkylation by { HEAD ~ an appropriate combination } of { TAIL ~ a protective group } and an organometallic reagent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH