Two cis,cis-iridolactones with a natural (S)-configuration at C(1) have been synthetized and their crystal and molecular structures determined by direct methods and refined by least-squares to R 0.109 and 0.064. The heterocyclic ring has a boat conformation which allows the C (8) methyl group to assume an equatorial position.Spectroscopic measurements indicate that this type of geometry is also present in solution.

Synthesis and Molecular Structures of (1S)-cis,cis-Iridolactones / Bellesia, Franco; Pagnoni, Ugo Maria; R., Trave; G. D., Andreetti; G., Bocelli; P., Sgarabotto. - In: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS II. - ISSN 0300-9580. - STAMPA. - II:(1979), pp. 1341-1346.

Synthesis and Molecular Structures of (1S)-cis,cis-Iridolactones

BELLESIA, Franco;PAGNONI, Ugo Maria;
1979

Abstract

Two cis,cis-iridolactones with a natural (S)-configuration at C(1) have been synthetized and their crystal and molecular structures determined by direct methods and refined by least-squares to R 0.109 and 0.064. The heterocyclic ring has a boat conformation which allows the C (8) methyl group to assume an equatorial position.Spectroscopic measurements indicate that this type of geometry is also present in solution.
II
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1346
Synthesis and Molecular Structures of (1S)-cis,cis-Iridolactones / Bellesia, Franco; Pagnoni, Ugo Maria; R., Trave; G. D., Andreetti; G., Bocelli; P., Sgarabotto. - In: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS II. - ISSN 0300-9580. - STAMPA. - II:(1979), pp. 1341-1346.
Bellesia, Franco; Pagnoni, Ugo Maria; R., Trave; G. D., Andreetti; G., Bocelli; P., Sgarabotto
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/646093
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