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ACD/Labs Blog

Mikhail Elyashberg
Asperspiropene A was first reported by He et al as the second derivative of a class of compounds containing a unique six-membered ring substructure. The molecular formula was determined from the HR-MS spectrum to be C17H26O8.

Sanji Bhal
1H NMR is the go-to technique to help identify or confirm the structure of organic compounds. A solution-state proton spectrum is relatively fast to acquire and a lot of information about the structure of a compound can be deduced from it. With centuries of combined experience in NMR data interpretation, we thought we’d share the basics of analyzing solution-phase 1H NMR spectra in this blog.

Mikhail Elyashberg
Iridiod Glycoside Clerodendrum (Lamiaceae) is a genus composed of 580 species. It is found in tropical and subtropical regions and mainly includes small trees, shrubs, and herbs. Many members of the genus havebeen used in traditional medicine around the world. C. myricoides is a shrub with bluish flowers that has been used extensively in traditional...

Mikhail Elyashberg
30 years after the structure of lyaline was first proposed, a new spectroscopic analysis was performed using state-of-the-art techniques to reveal errors in the original analysis, and eventually, the correct structure.

Mikhail Elyashberg
Davidone F Sophora davidii (Franch.) belong to the family Fabaceae and are shrubs or small trees found in China. Over the years many natural products have been isolated from them, including alkaloids, steroids, lignans, phenolic acids and, mostly, flavonoids. These have been found to have varying biological activities. The chemical investigation of S. davidii which...

Richard Lee
Coding can take scientists from participants to owners of their data. More and more it is becoming clear that every organization needs to employ workers with data science skills. As more scientists become data scientists, the move towards digitalized data will accelerate.

Mikhail Elyashberg
Trichilianone D Trichilia species, a genus of plants from the Meliaceae family, are found in tropical forests and are used in traditional medicine. This species is poorly investigated and so a phytochemical study was published just recently [1]. This included the isolation of metabolites and the testing for antileishmanial activity. The study was focused on...

Mikhail Elyashberg
Rhodimer Atilaw et al [1] have been studying the roots of Tephrosia rhodesica, a member of the tropical and subtropical Tephrosia genus consisting of more than 400 species. A new variety of flavonoids has been found in them with promising biological activities (antiplasmodial). They isolated five new compounds including rhodimer 1. Its structure was determined...

Mikhail Elyashberg
Securamine H Bryozoans belonging to the Flustridae family have been shown to be a rich source of structurally unique secondary metabolites. Hansen et al [1] examined the organic extract of Securiflustra securifrons. This resulted in the isolation of three new halogenated, hexacyclic indole-imidazole alkaloids, including securamine H(1), together with the previously known securamines C (2)...

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