ISSN:
0170-2041
Keywords:
Fungus pigments
;
Perylenequinones, synthesis of
;
Selenium dioxide oxidation
;
Ullmann coupling
;
Double coupling of 1,2-naphthalenediols
;
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Two closely related routes to dimethyl 3,10-dihydro-2,11-dihydroxy-4,6,7,9-tetramethoxy-3,10-dioxo-1,12-perylenediacetate (10), one involving Ullmann phenol coupling and the other by double oxidative coupling are described. Regioselective demethylation of 10 followed by methylation or vice versa yields dimethyl 3,10-dihydro-4,9-dihydroxy-2,6,7,11-tetramethoxy-3,10-dioxo-1,12-perylenediacetate (22) which, except for its side chains, structurally resembles some of the natural perylenequinones.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/jlac.199319930107
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