Hirsutellone F, a Dimer of Antitubercular Alkaloids from the Seed Fungus Trichoderma Species BCC 7579

Organic Letters
2006.0

Abstract

Hirsutellone F (7), a novel alkaloid dimer, was isolated together with known monomers, hirsutellones A (1), B (2), and C (3), from the seed fungus Trichoderma sp. BCC 7579. The structure of 7 was elucidated by spectroscopic analysis. Studies on biomimetic chemistry, using the dimer 7, suggested that compound 8 (17,1'-dehydrohirsutellone B) should be the precursor for all hirsutellones.

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