Monanchora Carter, 1883 is a genus of shallow-water marine sponges comprising 16
species distributed worldwide, two of them in the Tropical Western Atlantic (TWA): M …

Twenty three side chain analogs of the crambescidin alkaloids were prepared from the
corresponding pentacyclic zwitterionic core acid. In the crambescidin 800 and 657 series …

Batzelladine C (3) is a tricyclic guanidine alkaloid of unknown stereochemistry at one centre
as well as unknown absolute stereochemistry. The two possible diastereoisomers of the …

Two new guanidine alkaloids, batzelladines O (1) and P (2), were isolated from the deep-
water marine sponge Monanchora pulchra. The structures of these metabolites were …

Written by a" who is who" of leading organic chemists, this anniversary volume represent the
Organic Reactions editors' choice of the most important, ground-breaking and versatile …

The sponge of Clathria cervicornis is commonly used in traditional medicine. This study aims
to identify the active compound in C. cervicornis and to evaluate its antimicrobial activity. The …

A bioassay-guided fractionation of the antimicrobial crude extract obtained from the marine
sponges Monanchora clathrata and Monanchora unguiculata led to the isolation and …

The new pentacyclic guanidine alkaloids, monanchoxymycalin A (1) and
monanchoxymycalin B (2) were isolated from the Far-Eastern marine sponge Monanchora …

Covering: January to December 2004. Previous review: Nat. Prod. Rep., 2005, 22, 144 An
overview of marine natural products synthesis during 2004 is provided. As with the previous …

Isolation of marine compounds from living invertebrates represents a major challenge for
sustainable and environmentally friendly exploitation of marine bio-resources. To develop …