Structure of a New Antibiotic, Terrecyclol, from Aspergillus terreus Thorn

Abstract

The structure of a new sesquiterpene antibiotic, terrecyclol (I), from Aspergillus terreus Thorn No. 14 was determined to be I. The antimicrobial activity ofI is as high as that ofterrecyclic acid A (II), which is a main antimicrobial product of Asp. terreus No. 14.