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6-Hydr-oxy-7-isopropyl-1,1,4a-trimethyl-2,3,4,4a,10,10a-hexa-hydro-phenanthren-9(1H)-one.

ABSTRACT: The title compound, C(20)H(28)O(2), commonly named Sugiol, is a natural oxygenated diterpene that we have isolated for the first time from a hexane extract of the fruits of Juniperus Oxycedrus L. Its X-ray crystal structure determination confirms an abietane skeleton which was predicted by spectroscopic analysis, mainly by (1)H and (13)C NMR. The cyclo-hexane ring adopts a flattened chair conformation, while the cyclo-hexene ring adopts an envelope conformation. The mol-ecules are linked through O-H⋯O hydrogen bonds to form a zigzag chain extending parallel to the c axis.

SUBMITTER: Rajouani N 

PROVIDER: S-EPMC2960938 | biostudies-literature | 2008 Mar

REPOSITORIES: biostudies-literature

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6-Hydr-oxy-7-isopropyl-1,1,4a-trimethyl-2,3,4,4a,10,10a-hexa-hydro-phenanthren-9(1H)-one.

Rajouani Nezha N   Ait Itto My Youssef MY   Benharref Ahmed A   Auhmani Aziz A   Daran Jean-Claude JC  

Acta crystallographica. Section E, Structure reports online 20080329 Pt 4

The title compound, C(20)H(28)O(2), commonly named Sugiol, is a natural oxygenated diterpene that we have isolated for the first time from a hexane extract of the fruits of Juniperus Oxycedrus L. Its X-ray crystal structure determination confirms an abietane skeleton which was predicted by spectroscopic analysis, mainly by (1)H and (13)C NMR. The cyclo-hexane ring adopts a flattened chair conformation, while the cyclo-hexene ring adopts an envelope conformation. The mol-ecules are linked through  ...[more]

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