Scheme 4.
Synthesis of amine hydrochloride salts 8a-ia
aReagents and conditions: (a) HCl 12M, THF, 0°C or HCl generated in situ (Addition of concd H2SO4 on NaCl)
Synthesis of amine hydrochloride salts 8a-ia
aReagents and conditions: (a) HCl 12M, THF, 0°C or HCl generated in situ (Addition of concd H2SO4 on NaCl)