(2015/05/05)
(2015/06/24)
6-cyano-7-methyl-1,5-dioxo-Δ6(8)-tetrahydroindolizine
7’-methyl-5’-oxo-3’,5’-dihydro-2’H-spiro[[1,3]dioxolane-2,1‘-indolizine]-6’-carbonitrile
(2R)-1-(6′-cyano-5′-oxo-3′,5′,-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-2-ethoxy-2-oxoethyl 1-tosylpyrrolidine-2-carboxylate
ethyl iodide
methyl 6-cyano-1-hydroxy-7-methyl-5-oxo-3,5-dihydroindolizine-2-carboxylate
(4S)-4-ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
camptothecin
(R)-((S)-2-(6′-(acetamidomethyl)-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-1-ethoxy-1-oxobutan-2-yl) 1-tosylpyrrolidine-2-carboxylate
(R)-((S)-2-(6′-(acetoxymethyl)-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-1-ethoxy-1-oxobutan-2-yl) 1-tosylpyrrolidine-2-carboxylate
(R)-N-tosylproline