cif-access (organic compounds)
The crystallographic structures of
3,4-dibromomethano-3,5,5-trimethyldecahydro-1H-benzocycloheptene-9,1'-spiro(2',2'-dibromocyclopropane),
C17H24Br4,
(3), 3,4-dichloromethano-3,5,5-trimethyldecahydro-1H-benzocycloheptene-9,1'-spiro(2',2'-dichlorocyclopropane),
C17H24Cl4,
(4), and
9,9a-dichloromethano-3,5,5,9-tetramethyl-1,4a,5,6,7,8,9,9a-octahydro-2H-benzocycloheptene,
C16H24Cl2, (5), resulting from
cyclopropanation reactions of the C=C double bonds of -cis-himachalene
and -himachalene, are reported.