An oxidative photocyclization approach to the synthesis of Securiflustra securifrons alkaloids

BW Alexander, NM Bartfield, V Gupta, BQ Mercado… - Science, 2024 - science.org
Securines and securamines are cytotoxic alkaloids that contain reactive alkene and
heterocyclic residues embedded in skeletons comprising four to six oxidized rings. This …

Unusual Regio‐and Chemoselectivity in Oxidation of Pyrroles and Indoles Enabled by a Thianthrenium Salt Intermediate

JL Hann, CL Lyall, G Kociok‐Köhn… - Angewandte Chemie …, 2024 - Wiley Online Library
A dearomative oxidation of pyrroles to Δ3‐pyrrol‐2‐ones is described, which employs a
sulfoxide as oxidant, in conjunction with a carboxylic acid anhydride and a Brønsted acid …

Non-heme manganese (ii) complex-catalysed oxidative cleavage of 1, 2-diols via alcohol-assisted O 2 activation

Z Huang, R Guan, EL Bennett, J Xiao - Green Chemistry, 2022 - pubs.rsc.org
Bio-inspired oxidation strategies are gaining increasing interest in the synthesis of fine and
commodity chemicals. In particular, the development of catalytic oxidation systems with bio …

P 4 O 10/TfOH mediated domino condensation–cyclization of amines with diacids: a route to indolizidine alkaloids under catalyst-and solvent-free conditions

KS Mandrekar, SG Tilve - RSC advances, 2022 - pubs.rsc.org
A domino condensation–cyclization method is developed to synthesize indolizidine
alkaloids using a P4O10/TfOH reagent system without the employment of either a catalyst or …

Synthesis of New Isoquinoline Derivatives from the Condensation Products of Acid Anhydrides and 2-(3, 4-Dimethoxyphenyl) ethanamine

IM Sakhautdinov, RN Malikova… - Russian Journal of …, 2022 - Springer
A simple and convenient method has been proposed for the synthesis of new isoquinoline
derivatives via intramolecular cyclization of imides obtained from acid anhydrides and 2-(3 …

An oxidative photocyclization approach to the synthesis of skeletally-diverse Securiflustra securifrons alkaloids

BW Alexander, NM Bartfield, V Gupta, B Mercado… - 2023 - chemrxiv.org
Securines and securamines are alkaloids that contain a cis-enamide, neopentylic alkyl
chloride, bromoimidazole, and a pyrroloindoline that is in a reversible equilibrium with an …

[PDF][PDF] Synthèse de Mimes de Peptides à Motif Oxazolidine et Oxazolidinone.

I LAZOUNI - 2022 - dspace1.univ-tlemcen.dz
Le travail de cette thèse montre l'intérêt que portent les mimes de peptides et plus
particulièrement leur utilisation dans le domaine pharmaceutique. Ce domaine trouve une …