Uludağ, NesimiMutlu, H.2023-05-062023-05-0620221070-42801608-3393https://doi.org/10.1134/S1070428022090111https://hdl.handle.net/20.500.11776/11962An efficient method has been reported for the synthesis of 20-deethyl-4-demethyldasycarpidone and 20-deethyldasycarpidone by tetracholoro-1,4-benzoquinone (TCB)-mediated cyclization of intermediate tetrahydrocarbazole obtained from tert-butyl [2-methyl-1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methyl carbonate. 2-[9-(4-Methylbenzenesulfonyl)-2,3,4,9-tetrahydro-1H-carbazol-2-yl]acetonitrile as the ABCD sub-struc-ture of Strychnos alkaloid family has been synthesized for the first time in a different way.en10.1134/S1070428022090111info:eu-repo/semantics/closedAccessdasycarpidone15-methanoazocino[43-b]indole20-deethyldasycarpidone20-deethyl-4-demethyldasycarpidoneConcise Total-SynthesisEfficient SynthesisUleineRouteAlkaloids2-Cyano-1,2,3,6-TetrahydropyridinesAldoximesFrameworkNitrilesReagentAn Improved Approach to the Synthesis of Tetracyclic 20-Deethyl-4-demethyldasycarpidone and 20-DeethyldasycarpidoneArticle58912671271Q4WOS:0008777158000112-s2.0-85141026665Q4