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. 2015 Feb 6;17(3):644-7.
doi: 10.1021/ol503666b. Epub 2015 Jan 23.

Armochaeglobines A and B, two new indole-based alkaloids from the arthropod-derived fungus Chaetomium globosum

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Armochaeglobines A and B, two new indole-based alkaloids from the arthropod-derived fungus Chaetomium globosum

Chunmei Chen et al. Org Lett. .

Abstract

Armochaeglobines A (1) and B (2), two indole-based cytochalasan alkaloids with new carbon skeletons, were obtained from the fungus Chaetomium globosum TW1-1, which was first isolated from the arthropod Armadillidium vulgare. Their structures were elucidated by extensive spectroscopic analyses, ECD calculation, and single-crystal X-ray diffraction analysis. Interestingly, compound 1 featured a unique tetracyclic 5/6/7/5 fused ring system and 2 possessed a rare 12-membered carbon scaffold.

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