Using NMR to identify and characterize natural products

RC Breton, WF Reynolds - Natural product reports, 2013 - pubs.rsc.org
Covering: up to November 2012 Over the past 28 years there have been several thousand
publications describing the use of 2D NMR to identify and characterize natural products …

NMR spectroscopy of dissolved organic matter: a review

N Mitschke, SPB Vemulapalli, T Dittmar - Environmental Chemistry Letters, 2023 - Springer
The presence of liquid water makes our planet habitable. Water in soils, sediments, lakes,
rivers and the ocean forms the largest habitat for life on Earth. During life and upon death, all …

Application of anisotropic NMR parameters to the confirmation of molecular structure

Y Liu, A Navarro-Vázquez, RR Gil, C Griesinger… - Nature protocols, 2019 - nature.com
The use of anisotropic NMR data, such as residual dipolar couplings (RDCs) and residual
chemical shift anisotropies (RCSAs), has emerged as a powerful technique for structural …

Exploring the limits of broadband 90 and 180 universal rotation pulses

K Kobzar, S Ehni, TE Skinner, SJ Glaser… - Journal of Magnetic …, 2012 - Elsevier
90° and 180° universal rotation (UR) pulses are two of the most important classes of pulses
in modern NMR spectroscopy. This article presents a systematic study characterizing the …

Volatiles of Bracket Fungi Fomitopsis pinicola and Fomes fomentarius and Their Functions as Insect Attractants

J Fäldt, M Jonsell, G Nordlander… - Journal of chemical …, 1999 - Springer
Volatiles released from fruiting bodies of the polypores Fomitopsis pinicola and Fomes
fomentarius (Polyporaceae) were collected by entrainment and SPME techniques and …

Inhibition of colon cancer cell growth and antioxidant activity of bioactive compounds from Poncirus trifoliata (L.) Raf.

GK Jayaprakasha, KK Mandadi, SM Poulose… - Bioorganic & medicinal …, 2007 - Elsevier
Recently several plant derived natural compounds have been screened for their anticancer
activity in order to identify putative compounds with novel structures or mechanism of action …

Computer-assisted structure verification and elucidation tools in NMR-based structure elucidation

ME Elyashberg, AJ Williams, GE Martin - Progress in Nuclear Magnetic …, 2008 - Elsevier
Laboratories around the world are challenged by the task of either verifying chemical
structures or elucidating the chemical structures of unknowns; each structure verified or …

Unequivocal identification of two-bond heteronuclear correlations in natural products at nanomole scale by i-HMBC

Y Wang, A Fan, RD Cohen, G Dal Poggetto… - Nature …, 2023 - nature.com
HMBC is an essential NMR experiment for determining multiple bond heteronuclear
correlations in small to medium-sized organic molecules, including natural products, yet its …

Synthetic approaches to the lamellarins—A comprehensive review

D Imbri, J Tauber, T Opatz - Marine drugs, 2014 - mdpi.com
The present review discusses the known synthetic routes to the lamellarin alkaloids
published until 2014. It begins with syntheses of the structurally simpler type-II lamellarins …

Oxepinamides A‐C and Fumiquinazolines H‐I: Bioactive Metabolites from a Marine Isolate of a Fungus of the Genus Acremonium

GN Belofsky, M Anguera, PR Jensen… - … A European Journal, 2000 - Wiley Online Library
Three new oxepin‐containing natural products (1–3) and two new fumiquinazoline
metabolites (4–5) have been isolated from organic extracts of the culture broth and mycelia …