-
61
4-KETOSTEROIDAL SOLANUM ALKALOIDS
Published 2021-05-01“…4-keto steroidal alkaloids are C-27 substances that have a C-4 carbonyl on their steroidal frame, which makes them different from other steroidal alkaloids. …”
Get full text
Article -
62
-
63
-
64
-
65
Synthesis of piperidine and quinolizidine alkaloids
Published 2017“…In the following chapter, we sought to employ isoxazolidines to the synthesis of (+)-vertine, a macrocyclic quinolizidine alkaloid which was reported to possess antimalarial activity. …”
Get full text
Thesis -
66
Studies on the synthesis of the lasubine alkaloids
Published 2019Subjects: “…Alkaloid…”
Get full text
Get full text
Journal Article -
67
Alkaloids from transannular iodoaminations
Published 2012“…<p>This thesis is concerned with the development of transannular iodoamination methodology for the synthesis of pyrrolizidine, indolizidine and tropane alkaloids.</p> <p><strong>Chapter 1</strong> introduces the concept of a ‘transannular cyclisation’ and outlines the utility of such cyclisations in the synthesis of a range of [x.y.z]-azabicyclic alkaloids.…”
Thesis -
68
Asymmetric synthesis of the tetraponerine alkaloids
Published 2017“…The asymmetric syntheses of all eight tetraponerine alkaloids (T1–T8) were achieved using the diastereoselective conjugate additions of lithium amide reagents in the key stereodefining steps. …”
Journal article -
69
Total syntheses of the nakinadine alkaloids
Published 2013“…<p>This thesis is concerned with the development of methodology for the asymmetric syntheses of the nakinadine family of marine alkaloids and through these synthetic endeavours, seeks to confirm the structure and assign the relative and absolute configurations of these alkaloids for the first time.…”
Thesis -
70
Asymmetric synthesis of the loline alkaloids
Published 2019“…This synthetic route was used to prepare an advanced intermediate for the synthesis of the tricyclic loline alkaloid scaffold, from which four loline alkaloids were derived.…”
Thesis -
71
Asymmetric syntheses of the pseudodistomin alkaloids
Published 2018“…<p>This thesis centres on asymmetric syntheses of the pseudodistomin alkaloids, initially targeting a member of the family that had yet to be subjected to laboratory synthesis, followed by the development and execution of a unified strategy for the synthesis of all of the known pseudodistomin alkaloids as well as non-natural analogues.…”
Thesis -
72
-
73
Asymmetric synthesis of piperidine alkaloids
Published 2012“…This thesis describes investigations into the total asymmetric synthesis of alkaloids from polysubstituted piperidines via iodolactonisation, resulting in the completion of an asymmetric synthesis of pseudodistomin D.…”
Thesis -
74
Alkaloidal constituents of Tinospora crispa
Published 2010“…Phytochemical investigations of the stems of Tinospora crispa led to the isolation of one new aporphine alkaloid, N-formylasimilobine 2-O-beta-D-glucopyranoside (1), along with six known alkaloids, N-formylasimilobine 2-O-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranoside (2) (tinoscorside A), N-formylanonaine (3), N-formyldehydroanonaine (4), N-formylnomuciferine (5), N-demethyl-N-formyldehydronornuciferine (6), magnoflorine (7), paprazine (8), N-trans-feruloyltyramine (9), and cytidine (10). …”
Get full text
Article -
75
Plant toxins: alkaloids and their toxicities
Published 2019“…Since ancient civilization, plants have been utilized in many aspects of life, especially in medicinal purposes due to the presence of distinctive secondary metabolites like alkaloids, phenolics and terpenoids. Among them, alkaloids represent a large group of secondary metabolites that have basic properties and comprise nitrogen atom within the heterocyclic ring. …”
Get full text
Article -
76
Visual identification of alkaloids in some medicinal plants: common alkaloid reagents versus bromocresol green
Published 2008-07-01Subjects: “…Medicinal plants, alkaloids, visual identification, ion pair formation, bromocresol green…”
Get full text
Article -
77
Hepatotoxicity of Pyrrolizidine Alkaloid Compound Intermedine: Comparison with Other Pyrrolizidine Alkaloids and Its Toxicological Mechanism
Published 2021-11-01Subjects: “…pyrrolizidine alkaloids…”
Get full text
Article -
78
Alkaloid diversity in relation to breeding for specifi c alkaloids in opium poppy (Papaver somniferum L.)
Published 2010-12-01Subjects: “…alkaloids…”
Get full text
Article -
79
Angustilobine and andranginine type indole alkaloids and an uleine–secovallesamine bisindole alkaloid from Alstonia angustiloba
Published 2011“…A total of 20 alkaloids were isolated from the leaf and stem-bark extracts of Alstonia angustiloba, of which two are hitherto unknown. …”
Get full text
Article -
80