Covering: 1989 to September 2010 The spirodioxynaphthalenes are a group of fungal
secondary metabolites, consisting of a 1, 8-dihydroxynaphthalene-derived spiroketal unit …

Natural products having an epoxyquinone structure are widely distributed in nature and
have been attracting much attention because of their unique structures and interesting …

The highly oxygenated antifungal anticancer natural product (±)-diepoxin σ was prepared in
10 steps and in 15% overall yield from O-methylnaphthazarin. Highlights of the synthetic …

Nine new spirobisnaphthalenes, palmarumycins B1–B9 (1–9), along with 13 known
compounds (10–22), were isolated from cultures of the fungus Berkleasmium sp., an …

The first propellanes were synthesized in the 1930s during investigations into the Diels–
Alder reaction. 1–6 However, the first 'propellane by design'was synthesized much later, in …

Four undescribed palmarumycin-type spirodioxynaphthalenes (phyligustricins A–D) and a
known biogenetic precursor (palmarumycin BG1) were isolated from a solid fermentation of …

Spirobisnaphthalenes have a unique structural feature involving two or three oxygen atoms
acting as bridges connecting two original naphthalene subunits. Most of these metabolites …

Spirobisnaphthalenes are a family of natural products containing two naphthalenes
connected with spiroketal or dinaphthalene spiroether. This family of natural compounds has …

A spirobisnaphthalene derivative with a new spiro-nonadiene skeleton, spiro-mamakone A
(1), has been isolated from the extract of a cultured nonsporulating fungal endophyte …

Twelve new spiro acetal metabolites, the palmarumycins C1–C8,(1–8), C11 (11), C12 (12),
C15 (15), C16 (16), and three known representatives (10, 13, 14) of this new class of …