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El-Elimat et al reported five new and one known meroterpenoids, including the discovery of a novel ioxa[4.3.3]propellane metabolite neosetophomone A that incorporates a 3-methyl-2,3-dihydrofuran bridge into a 5,6 tricyclic 2-hydroxycyclopent-2-en-1-one/tetrahydropyran ring system, molecular formula C24H32O5.

Spirobisnaphthalenes are a relatively new and rare family of secondary metabolites. Their core structure usually consists of two bicyclo[4.4.0]decane units, connected with one another through at least one spiro center. The reported compound is a novel symmetric spirobisnaphthalene with a unique structural feature. Spiroaxillarone A, molecular formula C19H12O6.

Lucidumone Meroterpenoids are natural products containing a terpenoid and a non-terpenoid part. There have been many classes of such compounds isolated and characterized so far, from various natural sources, several of which have been found to have a wide range of biological activities. Meroterpenoids from various fungi usually show considerable biological activity and for this...

Leonuketal Leonurus Japonicus is a plant that is used in common traditional Chinese medicine. In fact, the aerial parts of it are in the Chinese Pharmacopoeia. Many diterpene metabolites have been discovered on plants of the same genus, with the common characteristics of the furanolabdane class. This class has been found to have interesting bioactivities...

Hypocrolide A A particular type of sesquiterpenoids are botryanes. The have the same basic skeleton of a bivyvliv nonisoprenoid system. They have only been found in a few fungal species, including the pathogen Botrytis cinereal, a necrotrophic plant. Since they are sesquiterpene metabolites they expected, and they do show, various biological activity. Yuan at al...

Melohemsine J The plants of the genus Melodinus (Apocynaceae) include 53 species and several of them have been used in traditional Chinese medicine. They can be found in regions of southern China and, together with the Loganiaceae and Rubiaceae families they are known to contain many monoterpenoid indole alkaloids. For these reasons they have been...

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...

A rich source of cembrane-type metabolites has been found to be Lobophytum crassum, a soft coral from the family of Alcyoniidae. Among five new cembrane derivatives that were isolated is Lobocrassin A, molecular formula C20H29ClO4.

Toronto, CANADA (Mar. 18, 2022)—ACD/Labs, an informatics company that develops and commercializes software in support of R&D, today announced that Pharmaron Inc. has chosen to equip their scientists with ACD/Labs’ industry leading NMR processing and interpretation software. Among the applications adopted by Pharmaron is ACD/Structure Elucidator Suite, bringing computer assisted structure elucidation into their analytical...