The novel terpenoids, cladocoran A (1) and B (2), showing a ç-hydroxybutenolide end group, have been isolated from the Mediterranean Anthozoan Cladocora cespitosa. The unprecedented skeleton of cladocoran was elucidated by spectroscopic methods and chemical conversion. The absolute stereochemistry of the secondary alcohol at C-18 was assigned by the advanced Mosher’s method applied to an oxidized derivative of 1.
Cladocoran A and B: Two Novel gamma-Hydroxybutenolide Sesterterpenes from the Mediterranean Coral Cladocora cespitosa / Fontana, A; Ciavatta, M. L.; Cimino, G.. - In: JOURNAL OF ORGANIC CHEMISTRY. - ISSN 0022-3263. - 63:(1998), pp. 2845-2849. [S0022-3263(97)01586-7]
Cladocoran A and B: Two Novel gamma-Hydroxybutenolide Sesterterpenes from the Mediterranean Coral Cladocora cespitosa
Fontana A;
1998
Abstract
The novel terpenoids, cladocoran A (1) and B (2), showing a ç-hydroxybutenolide end group, have been isolated from the Mediterranean Anthozoan Cladocora cespitosa. The unprecedented skeleton of cladocoran was elucidated by spectroscopic methods and chemical conversion. The absolute stereochemistry of the secondary alcohol at C-18 was assigned by the advanced Mosher’s method applied to an oxidized derivative of 1.| File | Dimensione | Formato | |
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