The Synthesis of (±)-1,2,3,4,6,7,12,12b-Octahydroindolo[2,3-<i>a</i>]quinolizine from Tryptophan and Dihydropyran
作者:Jeanese C. Badenock、Gordon W. Gribble
DOI:10.1080/00304948.2018.1468988
日期:2018.7.4
to be discovered as a naturally occurring plant alkaloid from the New Guinea tree Dracontomelum mangiferum. This represents a rare case of a natural product being discovered after its synthesis. Several enantioselective syntheses established the S-configuration for 1, although the isolated alkaloid was found to be partially racemic. Other syntheses have been reported. The 10-bromo derivative (arborescidine
118. The constitution of yohimbine and related alkaloids. Part VI. The synthesis of 1 : 2 : 3 : 4 : 6 : 7 : 12 : 12b-octahydro-2-ketoindolo-(2 : 3-a)pyridocoline and 1 : 2 : 3 : 4-tetrahydroindolo(2 : 3-a)pyridocoline
作者:L. H. Groves、G. A. Swan
DOI:10.1039/jr9520000650
日期:——
Enzyme catalysed oxidation of nazlinin and nazlinin derivatives. Characterisation of the reaction products
作者:Elisabeth Cheng、Jens Botzem、Martin J. Wanner、Brigitte E.A. Burm、Gerrit-Jan Koomen
DOI:10.1016/0040-4020(96)00286-4
日期:1996.5
catalyse the oxidative transformation of Nitraria alkaloids. Nazlinin yielded indoloquinolizidine 4, an alkaloid which has been obtained as a natural product from Nitraria plant extracts. Oxidative deamination of 1-(4-butylamino)-β-carboline 10 with PKDO yielded an unstable aldehyde (11), which cyclised to a new, arborescidine-type azepine (12). Addition of alcohol dehydrogenase during the oxidative deamination