title: 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.
authors.forename: Nezha
authors.initials: N
authors.lastname: Rajouani
authors.forename: My Youssef
authors.initials: MY
authors.lastname: Ait Itto
authors.forename: Ahmed
authors.initials: A
authors.lastname: Benharref
authors.forename: Aziz
authors.initials: A
authors.lastname: Auhmani
authors.forename: Jean-Claude
authors.initials: JC
authors.lastname: Daran