... September 1997 Table 2. (continued) SYNTHESIS 1039 Prod- R R1 5, “C” uct (X ... Purification was performed by recrystallization (2a—g, 2j, 9, 14a, 14c, 15a, 17) or ... The main characteristics of synthesized compounds are presented in Table 1. 1-Adamantylamine trifluoroacetate ...