Results 191 to 200 of about 1,268 (204)

Colensionsäure, ein neues depsidon aus stereocaulon colensoi

Phytochemistry, 1970
Zusammenfassung Stereocaulon colensoi Bab. enthalt Atranorin, d -Mannit, d -Arabit, Tetrahydroxyfettsauren und Colensoinsaure (I), ein neues Depsidon.
Cecil H Fox, Erich Klein, Siegfried Huneck   +2 more
openaire   +1 more source

Depsidone synthesis. Part 15. New metabolites of the lichen Buellia canescens(Dicks.) De Not: novel phthalide catabolites of depsidones

Journal of the Chemical Society, Perkin Transactions 1, 1981
The isolation, from the lichen Buellia canescens(Dicks.) De Not., and structural determination of the new depsidones 2,7,9-trichloro-3-hydroxy-8-methoxy-1,6-dimethyldibenzo[b,e][1,4]dioxepin-11-one (dechlorodiploicin)(1) and its methyl ether dechloro-O-methyldiploicin (9), together with the novel phthalides 4-chloro-7-(3,5-dichloro-4,6-dimethoxy-2 ...
Tony Sala, Melvyn V. Sargent, John A. Elix   +2 more
openaire   +1 more source

ChemInform Abstract: DEPSIDONE SYNTHESIS. PART 18. DIHYDRONIDULIN

Chemischer Informationsdienst, 1981
AbstractCycloaddition des Ketoesters (II) an das Olefin (I) gibt das Oxocyclohexenylcarboxylat (III), dessen Umsetzung mit 1 Moläquiv. Brom unter Aromatisierung zu (IVa) verläuft.
P. F. FINLAY‐JONES, T. SALA, M. V. SARGENT   +2 more
openaire   +1 more source

Depsidone synthesis. Part 20. Lecideoidin and dechlorolecideoidin

Journal of the Chemical Society, Perkin Transactions 1, 1981
The synthesis of methyl 2,9-dichloro-3,8-dihydroxy-1,6-dimethyl-11-oxo-11H-dibenzo[b,e][1,4]dioxepin-7-carboxylate (lecideoidin)(1) and methyl 2-chloro-3,8-dihydroxy-1,6-dimethyl-11-oxo-11H-dibenzo[b,e][1,4]-dioxepin-7-carboxylate (dechlorolecideoidin)(2) by oxidation of benzophenones and subsequent steps is described.
Peter M. McEwen, Melvyn V. Sargent
openaire   +1 more source

ChemInform Abstract: DEPSIDONE SYNTHESIS. PART 19. SOME β‐ORCINOL DEPSIDONES

Chemischer Informationsdienst, 1981
T. SALA, M. V. SARGENT
openaire   +1 more source

depsidone, n.

2023
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Depside, Depsidone

1977
Walter Karrer, Emile Cherbuliez, Conrad Hans Eugster   +2 more
openaire   +1 more source

Structure of pannarin: a natural depsidone

Acta Crystallographica Section C Crystal Structure Communications, 1991
D. Blaser, H. Stoeckli-Evans
openaire   +1 more source

Depside, Depsidone

1958
openaire   +1 more source

A new synthesis of depsidones; diploicin

Chemical Communications (London), 1968
James B. Hendrickson, Michael V. J. Ramsay   +1 more
openaire   +1 more source