Penicillium turbatum antibiotic

Anitibiotc A26771B (1) is a 16-membered ring macrocyclic lactone isolated from the fermentation broth of Penicillium turbatum. As the name implies, this compound possesses antibiotic activity and is the simplest macrocyclic compound... 

Arai, K., Rawlings, B. J., Yoshizawa,Y., and Vederas, J. C., Biosynthesis of antibiotics A26771B by Penicillium turbatum and dehydrocurvularin by Altemaria cinerariae Comparison of stereochemistry of polyketide and fritty acid oioyl thiol ester reductases. J. Am. Chem. Soc 111, 3391-3399 (1989). 

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