| CRYSTAL AND MOLECULAR STRUCTURE OF STEMOTININE |
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| 引用本文： | 徐任生,刘一苇,姚家星,麦松威. CRYSTAL AND MOLECULAR STRUCTURE OF STEMOTININE[J]. 结构化学, 1986, 0(2) |
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| 作者姓名： | 徐任生 刘一苇 姚家星 麦松威 |
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| 作者单位： | Shanghai Institute of Materia Medica，Academia Sinica，Institute of Physics，Academic Sinica，Beijing，Institute of Physics，Academic Sinica，Beijing，Department of Chemistry，The Chinese University of Hong Kong，Shatin，New Territories，Hong Kong |
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| 摘 要： | <正> C18H25NO5, Mr = 335.40, tetragonal, P41212, a = 15.578(4), c =14.723(3) A, V =3573(2) A3, Z = 8, D = 1.247 g cm-3, MoKα,λ= 0.71069 A, μ = 0.;85 cm-1, T = 293K, final R .= 0.100 and RW (on F2) = 0.080 for 1095 observed data [|FO| > 2σ(|FO|)]. The structure confirms the spectrbscopic assignment of a pentacyclic skeleton containing two α-methyl-γ-lactone rings, one ether and one tertiary amine.
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CRYSTAL AND MOLECULAR STRUCTURE OF STEMOTININE |
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| Abstract: | C18H25NO5, Mr = 335.40, tetragonal, P41212, a = 15.578(4), c =14.723(3) A, V =3573(2) A3, Z = 8, D = 1.247 g cm-3, MoKα,λ= 0.71069 A, μ = 0.;85 cm-1, T = 293K, final R .= 0.100 and RW (on F2) = 0.080 for 1095 observed data [|FO| > 2σ(|FO|)]. The structure confirms the spectrbscopic assignment of a pentacyclic skeleton containing two α-methyl-γ-lactone rings, one ether and one tertiary amine. |
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