The structure elucidation, biosynthesis, and biological activity of marine carbotricyclic
sesquiterpene compounds are reviewed from the pioneering results to the end of 2015 …

Heterocycles are particularly common moieties within marine natural products. Specifically,
tetrahydrofuranyl rings are present in a variety of compounds which present complex …

Covering: 2009 up to the end of 2017 There has been a recent eruption in the number of
known marine sesterterpenoids which have been isolated from Pacific Rim marine …

Covering: 1962 to 2014 Triterpenoids are natural compounds with a variety of biological
activities and are usually produced by plants as secondary metabolites. In recent decades …

Covering: 1998 to 2008 The biosynthetic origin of most of triterpenes lies in cascade
cyclizations and rearrangements of the acyclic precursors squalene (S) and 2, 3 …

For more than twenty years, chemists and biologists have been fascinated by the highly
complex molecular architectures and the diverse and potent biological activities of marine …

The great variety of carbocyclic sesquiterpene structures has provided a host of challenging
problems for the organic chemist and a vehicle for the development of novel organic …

Covering: up to December 2011 Sesterterpenoids account for many bioactive natural
products, often with unusual and complex structural features, which makes them attractive …

Marine organisms produce a wide array of fascinating terpenoid structures distinguished by
characteristic structural features. Certain structural classes, eg cembrane, chamigrene …

2.1. 3 Symmetric compounds 2.2 Biogenetic considerations 2.3 Biological activity 3
Polyether triterpenoids from sponges 3.1 Isolation and structure determination 3.1. 1 …