Compounds of the formula
wherein R is an adamantoyl group having at least one substituent selected from halogen atoms, lower alkyl, lower alkoxy, hydroxy, alkanoyloxy, aroyloxy, acetamido, nitro, azide, trifluoromethyl, phenyl, nitrophenyl, halophenyl, lower alkylphenyl, and lower alkoxyphenyl groups are novel and are useful as antitumor agents and/or immunosuppressants.
式中的化合物
其中 R 是
金刚烷酰基,该基团具有至少一个选自卤素原子、低级烷基、低级烷氧基、羟基、烷酰氧基、酰氧基、乙酰
氨基、硝基、
叠氮基、三
氟甲基、苯基、
硝基苯基、卤化苯基、低级烷基苯基和低级烷氧基苯基的取代基。