Antibiotic substance produced by various spp of Trichoderma, Gladiocladium fimbriatum, Aspergillus fumigatus, and Penicillium spp: Weindling, Emerson, Phytopathology 26, 1068 (1936); 27, 1175 (1937); Johnson et al., J. Am. Chem. Soc. 65, 2005 (1943); Menzel et al., J. Biol. Chem. 152, 419 (1944). Structure: Bell et al., J. Am. Chem. Soc. 80, 1001 (1958); Beecham et al., Tetrahedron Lett. 1966, 3131. Crystallographic data: McCrone, Anal. Chem. 26, 1662 (1954). Biosynthesis: Suhadolnik, Chenoweth, J. Am. Chem. Soc. 80, 4391 (1958); Winstead, Suhadolnik, ibid. 82, 1644 (1960); J. D. M. Herscheid et al., J. Org. Chem. 45, 1885 (1980). Synthetic studies: Poisel, Schmidt, Ber. 104, 1714 (1971); ibid. 105, 625 (1972); Oehler et al., ibid. 625. Total synthesis of dl-form: T. Fukuyama, Y. Kishi, J. Am. Chem. Soc. 98, 6723 (1976); T. Fukuyama et al., Tetrahedron 37, 2045 (1981).
Isolated from cultures of Penicillium terlikowski Zaleski: Johnson et al., J. Am. Chem. Soc. 75, 2110 (1953).