𝔖 Bobbio Scriptorium
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Quassin and Neoquassin

✍ Scribed by Z. Valenta; S. Papadopoulos; C. Podešva


Book ID
103390166
Publisher
Elsevier Science
Year
1961
Tongue
French
Weight
775 KB
Volume
15
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES


The structure of quassin
✍ Z. Valenta; A.H. Gray; S. Papadopoulos; C. Podešva 📂 Article 📅 1960 🏛 Elsevier Science 🌐 French ⚖ 425 KB

THE constituents of Quassia amara have been thoroughly investigated by Robertson l-5 . He found that the bitter extract consists of quassin, Cs2H2s06, and Cs2Hs006, which are in a lactone-hemiacetal relationship. Quassin contains two methoxyl groups, at least three Cmethyl groups and no active hydro

Semisynthetic derivatives of quassin
✍ Caroline C. Lang'at; Robert A. Watt; Istvan Toth; J.David Phillipson 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 1002 KB
On the reduction of quassin
✍ Paolo Ceccherelli; Massimo Curini; Marco Diamantini; Maria Carla Marcotullio; Gi 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 333 KB

The reduction of quassin (3) with sodium borohydride in the presence Of alkali was investigated. The process appeared to be regio-and stereo-selective leading to &, which was utilized for the preparation of Z-epi-castelanolide-methylcthcr (G). The structure of quassfn, \_?\_a, the most famous member

Novel transformations in the quassin ser
✍ Paul A. Grieco; Sergio Ferriño; Giovanni Vidari; John C. Huffman; Eric Williams 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 152 KB