The total synthesis of SPP-100 and its C-5 epimer involves thr construction
of the p-amino alcohol segment via addition or the Grignard reagent derive
d from 3-aryl-2-isopropyl-1-chloropropane to the nitrone functional group i
nstalled at C-4 of the pseudoephedrine spiroanellated gamma -butylolactone
derivative. (C) 2001 Elsevier Science Ltd. All rights reserved.