（±）-戈尼他米瑞诺酮C的合成与晶体结构
Synthesis and crystal structure of (±)-Goniotamirenone C.
作者信息
Meesakul Pornphimol, Richardson Christopher, Laphookhieo Surat, Pyne Stephen G
机构信息
Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia.
出版信息
Acta Crystallogr E Crystallogr Commun. 2020 Oct 9;76(Pt 11):1728-1731. doi: 10.1107/S2056989020013298. eCollection 2020 Nov 1.
The structure of the racemic version of the natural product Goniotamirenone C [racemic -6-(2-chloro-1-hy-droxy-2-phenyl-eth-yl)-2-pyran-2-one, CHClO] at 150 K is reported. The compound crystallizes with monoclinic (2/) symmetry and with ' = 2. One independent mol-ecule is ordered while the other independent mol-ecule exhibits an inter-esting whole-mol-ecule enanti-omeric disorder with occupancies of 0.846 (4) and 0.154 (4). The independent mol-ecules are hydrogen bonded with -OH⋯O=C linkages into chains that run parallel to the axis. This structural analysis corrects our previous assignment as the isomer [Meesakul (2020 ▸). , , 112248-112255].
报道了天然产物戈尼他米雷酮C外消旋体（外消旋-6-(2-氯-1-羟基-2-苯基-乙基)-2-吡喃-2-酮，C₉H₇ClO₂）在150 K时的结构。该化合物以单斜晶系（P2₁/c）对称结晶，Z' = 2。一个独立分子有序排列，而另一个独立分子表现出有趣的全分子对映体无序，占有率分别为0.846 (4)和0.154 (4)。独立分子通过-OH⋯O=C氢键连接成平行于c轴的链。该结构分析纠正了我们之前将其指定为S异构体的错误[Meesakul （2020 ▸）。Chem. Asian J., 15, 112248-112255]。
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