“…treated with 25% NH,/H,O, kept at 8" for 20 h, and evaporated, and the residue co-evaporated with toluene/MeOH I : I . The resulting solid was crystallized from OH-C(2')); 5.20 (d,); 4.98 (t, OH-C(5')); 4.77 (t. 2 H, OCH,CH, (npeoc)); 4.60 (m, H-C(2')); 4.38 ( t , 2 H, OCH,CH, (npe)); 4.18 (m, H-C(3')); 3.92 (m, H-C (4) 2-(4-Nitrophenyl)ethanesulfonyl Chloride (Npes-C1) [38]. To a soln.…”