(1S,3R,8R)-2,2-Dibromo-3,7,7,10-tetramethyltricyclo[6.4.0.0(1,3)]dodec-9-en-11-one

被引：0

作者：

Oukhrib, Abdelouahd ^{[1
]}

Benharref, Ahmed ^{[1
]}

Saadi, Mohamed ^{[2
]}

El Ammari, Lahcen ^{[2
]}

Berraho, Moha ^{[1
]}

机构：

[1] Fac Sci Semlalia, Lab Chim Subst Nat, Unite Associe CNRST, URAC16, BP 2390 Bd My Abdellah, Marrakech 40000, Morocco

[2] Lab Chim Solide Appl, Fac Sci, Rabat, Morocco

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2012年 / 68卷

关键词：

data-to-parameter ratio = 18.9; mean ω(C-C) = 0.005 Å; R factor = 0.030; single-crystal X-ray study; T = 298 K; wR factor = 0.074;

D O I：

10.1107/S1600536812046089

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title compound, C16H22Br2O, was synthesized from beta-himachalene (3,5,5,9-tetramethyl-2,4a,5,6,7,8-hexahydro-1H-benzocycloheptene), which was isolated from the essential oil of the Atlas cedar (Cedrus Atlantica). The molecule is built up from fused six- and seven-membered rings and an additional three-membered ring from the reaction of himachalene with dibromocarbene. The six-membered ring has an envelope conformation, with the C atom belonging to the three-membered ring forming the flap, whereas the seven-membered ring displays a screw-boat conformation; the dihedral angle between the rings (all atoms) is 60.92 (16)degrees.

引用

页码：O3341 / +

页数：8

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