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Isatisindigoticanine I Ban Lan Gen, Isatis tinctoria L. (synonym Isatis indigotica Fort.), of the Brassicacene family, is a biennial herbaceous plant. It is widely cultivated and distributed in China, where its roots are used in Traditional Chinese Medicine (TCM) for the treatment of many diseases. Ban Lan Gen was studied, and a series of alkaloids...

Most of us who’ve worked in chemistry know about logP. The partition coefficient makes it into Lipinski’s rule of five and most post-secondary educations. But when it comes to logP, we mean one exact chemical structure. If a compound ionizes, it’s not the same structure. And since most compounds investigated in pharmaceutical and pharmacological research contain ionizable sites, it’s not logP we should be concerned about, but logD.

Damirine B The indolocarbazole family of bisindole alkaloids is a well-known class of natural products. It’s best-known member is staurosporine, a protein kinase C inhibitor that belongs to the indolo[2,3‐a] carbazole structural class. Several other indolo[2,3‐a] carbazoles have so far been isolated and identified. However, only a limited number of other isomeric forms of indolocarbazole...

ACD/Labs is launching a new podcast! The Analytical Wavelength will cover industry trends and topics for scientists working with analytical data. Read on for more insights about data and the mass spectrometrist, and a link to listen to Episode 1.

Peyssonnoside A Diterpenoids and their analogues and derivatives are well known and highly varied compounds.  Cyclopropane groups are also frequently encountered in natural products, but it is rare that highly substituted and/or embedded cyclopropanes are reported. The structural novelty of such compounds together with their bioactivity are valuable for medicinal, synthetic and biological chemists. Peyssonnoside...

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