Enantioselective organocatalyzed transformations of β-ketoesters

T Govender, PI Arvidsson, GEM Maguire… - Chemical …, 2016 - ACS Publications
The β-ketoester structural motif continues to intrigue chemists with its electrophilic and
nucleophilic sites. Proven to be a valuable tool within organic synthesis, natural product, and …

Monobactams: A unique natural scaffold of four-membered ring skeleton, recent development to clinically overcome infections by multidrug-resistant microbes

AN El-Shorbagi, S Chaudhary - Letters in Drug Design & …, 2019 - ingentaconnect.com
Background: Monobactam antibiotics have been testified to demonstrate significant
antibacterial activity especially the treatment of infections by superbug microbes. Recently …

Novel carbapenem chalcone derivatives: synthesis, cytotoxicity and molecular docking studies

DR Kommidi, R Pagadala, S Rana, P Singh… - Organic & …, 2015 - pubs.rsc.org
A one-pot efficient synthetic protocol is described for the synthesis of carbapenem chalcone
derivatives using AAPTMS@ MCM-41 heterogeneous catalyst. Various substituted aromatic …

Applied Enantioselective Aminocatalysis: α‐Heteroatom Functionalization Reactions on the Carbapenem (β‐Lactam Antibiotic) Core

ZED Cele, PI Arvidsson, HG Kruger… - European Journal of …, 2015 - Wiley Online Library
The carbapenem (β‐lactam antibiotic) scaffold serves as a useful nucleophile in
organocatalytic diarylprolinol trimethylsilyl ether mediated α‐heterofunctionalization …

Organocatalyzed mannich reactions on minocycline: Towards novel tetracycline antibiotics

TE Chiwunze, R Azumah, M Ramtahal… - South African Journal …, 2016 - scielo.org.za
Herein, we report the development of a mild synthetic route towards novel minocycline
derivatives using the proline-catalyzed three-component Mannich reaction. The reaction …

Organocatalytic Mannich reactions on a carbapenem core–synthesis of Mannich bases and bicyclic diazanonanes

ZED Cele, SA Pawar, T Naicker… - European Journal of …, 2014 - Wiley Online Library
Organocatalytic Mannich Reactions on a Carbapenem Core – Synthesis of Mannich Bases and
Bicyclic Diazanonanes - Cele - 2014 - European Journal of Organic Chemistry - Wiley Online …

Stereoselective Mannich Reaction Driven by Crystallization

M Čierna, J Markus, J Doháňošová… - European Journal of …, 2020 - Wiley Online Library
Herein we disclose an efficient and experimentally straightforward method for the
stereoselective synthesis of a variety of α‐substituted Mannich salts. This direct three …

l-Proline organocatalyzed Michael synthesis of monobactam and carbapenem β-lactam cores

S Khanyase, T Naicker, GEM Maguire, HG Kruger… - Tetrahedron …, 2014 - Elsevier
Herein, we report the development of mild, organocatalyzed routes to novel β-lactam
carbapenem derivatives through Michael type C single bond C bond forming reactions. The …

DEVELOPMENT OF DNA LATERAL FLOW DIPSTICK TESTS FOR DETECTION CARBAPENEM RESISTANCE BACTERIA BASED ON NEW DELHI METALLO-BETA …

S PAKDEETHAI, S Santiwatanakul - 2021 - ir-ithesis.swu.ac.th
Carbapenem-resistant Enterobacteriaceae (CRE), a resistant group of gram-negative
bacteria, can produce carbapenemase, destroying carbapenem molecules and causing …

Other 2-substituted pyrrolidines as asymmetric organocatalysts

RJ Reddy, K Chen - 2015 - books.rsc.org
In 1971, two industrial groups reported using L-proline to catalyse the intramolecular aldol
reaction of a triketone (known as the Hajos–Parrish–Eder–Sauer–Wiechert reaction) …