WebJun 17, 2012 · Graphical abstract. Download : Download full-size image Enantioselective reactions catalyzed by small organic molecules (asymmetric organocatalysis) are a comparatively new and popular segment in the area of contemporary research in asymmetric synthesis.The great synthetic utility of the aldol reaction for the formation of … WebFeb 1, 2024 · In the present study, eight new highly polyoxygenated cyathane diterpenoids, named neocyathins K–R (1–8), were isolated from the solid culture of C. africanus cultivated on cooked rice ...
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WebJan 1, 2024 · Polyoxygenated anti-inflammatory biscembranoids from the soft coral Sarcophyton tortuosum and their stereochemistry. Author links open overlay panel Yufen … WebTen new polyoxygenated diterpenes (7−16) along with six known gagunin compounds (1−6) were isolated from the sponge Phorbas sp. collected in the Korean Sea. On the basis of a … cyo baseball cleveland
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WebMay 5, 2024 · Bi(OTf)3 (bismuth triflate)-mediated one-pot tandem annulation of oxygenated 1-aryl isochroman-3-ones with oxygenated arenes provides polyoxygenated homotriptycenes in moderate to good yields in MeNO2 at reflux (101 °C) for 10 h under an air atmosphere and easy-operational conditions via intermolecular and i Synthetic … WebThe present investigation of the South China Sea soft coral Sarcophyton trocheliophorum resulted in the discovery of six new polyoxygenated diterpenes, namely sartrocheliols A–E (1, 3, 5–8) along with four known ones, 2, 4, 9, and 10. Based on extensive spectroscopic data analysis, sartrocheliol A (1) was identified as an uncommon capnosane diterpene, … WebTwo New Polyoxygenated Triterpenoids from Actinidia valvata Hai‐Liang Xin Department of Traditional Chinese Medicine, Changhai Hospital of Second Military Medical University, Shanghai 200433, P. R. China, (phone: +86‐21‐25070886; fax: +86‐21‐25070886) cyo basketball baltimore