0.0 Hz), 000.00, 000.00 (d, *J* = 0.0 Hz), 000.00 (d, *J* = 00.0 Hz), 000.00 (d, *J* = 00.0 Hz), 00.00, 00.00. ^00^F NMR (000 MHz, Acetone) δ -000.00. HRMS calculated for C~00~H~00~FO~0~N~0~S~0~ \[M + H\]^+^ 000.00000, found 000.00000.  *(0-(methylthio)-0,0,0-oxadiazol-0-yl)methyl 0-fluorobenzenesulfonate* (**0a-0**). White liquid; yield, 00.0%; ^0^H NMR (000 MHz, CDCl~0~) δ 0.00 (ddd, *J* = 0.0, 0.0, 0.0 Hz, 0H, Ar-H), 0.00--0.00 (m, 0H, Ar-H), 0.00 (