𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of the pentacyclic core of lihouidine

✍ Scribed by Ken S. Feldman; Adiel Coca


Publisher
Elsevier Science
Year
2008
Tongue
French
Weight
121 KB
Volume
49
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


The pentacyclic base of the sponge-derived alkaloid lihouidine has been assembled from two quinoline fragments. The key step is a nitration-promoted cyclization to form the C-C bond between the two quinoline units.


📜 SIMILAR VOLUMES


Synthesis of new pentacyclic diquinothia
✍ Małgorzata Nowak; Krystian Pluta; Kinga Suwińska; Leo Straver 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 738 KB

## Abstract magnified image Reactions of 2,2′‐dichloro‐3,3′‐diquinolinyl sulfide **1** with ammonia derivatives and various primary alkylamines and arylamines proceeded as a thiazine ring closure to form linear annulated pentacyclic 6__H__‐diquinothiazine **2H** and 6‐substituted derivatives **2**

ChemInform Abstract: Synthesis of the Pe
✍ M. E. KRAFFT; O. A. DASSE; B. SHAO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

Synthesis of the Pentacyclic Xestobergsterol Skeleton. -The key steps in the synthesis of the pentacyclic skeleton (X) are stereoselective formation of the ynol (VII) and intramolecular Pauson-Khand reaction of the enyne (VIII). Xestobergsterol is a histamine release inhibitor. -(KRAFFT,