Phenalenones, naturally occurring

The naturally occurring phenalenone atrovenetin (238), produced by the fungus Penicillium atrovenetum, has been synthesised by a route which employs the novel, regioselective Claisen rearrangement-cyclisation (234)—> (235), together with the... 

Contents P. LEFRANCIER and E. LEDERER Chemistry of Synthetic Immunomodulant Muramyl Peptides. — SUKH DEV The Chemistry of Longifolene and Its Derivatives. — W. HELLER and CH.TAMM Homoiso-flavanones and Biogenetically Related Compounds. — R. G. COOKE and J. M. EDWARDS Naturally Occurring Phenalenones and Related Compounds. — C. W. JEFFORD and P. A. CADBY Molecular Mechanisms of Enzyme-Catalyzed Dioxygenation (An Interdisciplinary Review). 

Naturally Occurring Phenalenones and Related Compounds Table 2 (continued)... 

Brooks, J. S., and G. A. Morrison Naturally Occurring Compounds Related to Phenalenone. The Structure of Herqueinone and Norherqueinone and their Relationships with Isoherqueinone and Isonorherqueinone. J. Chem Soc. (London) Perkin 1 421 (1972). 

Bycroft, B. W., and A. J. Eglington Synthetic Approaches to Some Naturally Occurring Phenalenones and Related Compounds. Chem. Commun. 72 (1968). 

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