These compounds are designated in scheme 3 as having the formula VII A. Example 2 of this application describes {HEAD ~ the preparation} of {TAIL ~ the S enantiomer} by the method shown in scheme 3 
of
These compounds are designated in scheme 3 as having the formula VII A. Example 2 of this application describes { HEAD ~ the preparation } of { TAIL ~ the S enantiomer } by the method shown in scheme 3
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH