| 摘要 |
Title compds. I[X=carbonyl, carbonyloxy; R1=optionally substituded alkyl or aryl; R2, R3, R4 R6 independently=H or lower alkyl; R5=H, lower alkyl, hydroxyalkyl, mercaptoalkyl, aminoalkyl, cycloalkyl, aryl, aralkyl, N-contg. heterocyclic residue or heterocycloalkyl; R7=H, carboxyl; A1, A2=one of them is (II) and the other is hydroxy, amino, alkylamino, or aminocarbobyl-alkylamino; T=NH, o; Y=alkylene, which can be interrupted by 1 or 2 oxycarbonyl and/or iminocarbonyl residues; W=aliph. residue, cycloalkyl, cycloalkenyl were prepd. as immune potentiators.
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