title: Crystal structure of (E)-1-(4-meth-oxy-phen-yl)ethanone O-de-hydro-abietyloxime.
abstract: In the title compound, C29H37NO3 {systematic name: (E)-1-(4-meth-oxy-phen-yl)ethanone O-[(1R,4aS,10aR)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octa-hydro-phenanthrene-1-carbon-yl]oxime}, a new derivative of de-hydro-abietic acid, the two cyclo-hexane rings exhibit a trans-ring junction and are in chair and half-chair conformations. The C=N double bond exhibits an E conformation.
authors.affiliation: Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, National Engineering Lab. for Biomass Chemical Utilization, Key and Lab. on Forest Chemical Engineering, SFA, Nanjing 210042, People's Republic of China.
authors.forename: Xiao-Ping
authors.initials: XP
authors.lastname: Rao
authors.affiliation: Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, National Engineering Lab. for Biomass Chemical Utilization, Key and Lab. on Forest Chemical Engineering, SFA, Nanjing 210042, People's Republic of China.
authors.forename: Yan-Jie
authors.initials: YJ
authors.lastname: Cui
authors.affiliation: Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Key Lab. of Biomass Energy and Material, Jiangsu Province, National Engineering Lab. for Biomass Chemical Utilization, Key and Lab. on Forest Chemical Engineering, SFA, Nanjing 210042, People's Republic of China.
authors.forename: Jian-Qiang
authors.initials: JQ
authors.lastname: Zheng
keywords: biological compounds; crystal structure; de­hydro­abietic acid derivative; oxime