Conjugate reduction of an enone accompanied by in situ intramolecular aldol condensation was used to construct the tetrasubstituted cyclohexane nucleus of phomactins. Subsequent relay ring-closing metathesis completed the nine-membered ansa bridge of the diterpenoid framework.
Synthesis of homogeneous FePt nanoparticles using a nitrile ligand.
Virginie Monnier et al.
Small (Weinheim an der Bergstrasse, Germany), 4(8), 1139-1142 (2008-07-16)
Biosynthesis of phomactins: common intermediate phomactatriene and taxadiene.
Tetsuo Tokiwano et al.
Chemical communications (Cambridge, England), (11)(11), 1324-1325 (2004-05-22)
A concise synthesis of the tricyclic furanochroman unit 3 found in the PAF antagonist phomactin A (1) isolated from the marine fungus Phoma sp., is described. In complementary studies, a variety of synthetic routes towards the bicyclo[9.3.1]pentadecane ring system 4
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