Fun Hoong-Kun, Maneerat Wisanu, Laphookhieo Surat, Chantrapromma Suchada
Acta Crystallogr Sect E Struct Rep Online. 2011 Jul 1;67(Pt 7):o1811-2. doi: 10.1107/S1600536811024160. Epub 2011 Jun 25.
THE TITLE COMPOUND KNOWN AS GLYCOZOLIDAL (SYSTEMATIC NAME: 2,7-dimeth-oxy-9H-carbazole-3-carbaldehyde), C(15)H(13)NO(3), is a naturally occurring carbazole, which was isolated from the roots of Clausena lansium. The carbazole ring system is essentially planar, with an r.m.s. deviation of 0.0093 (1) Å. In the crystal, inter-molecular N-H⋯O hydrogen bonds connect the mol-ecules into a chain along the c axis. C-H⋯O, C-H⋯π and π-π inter-actions, with centroid-centroid distances of 3.5924 (6), 3.6576 (6) and 3.8613 (6) Å, are also observed.
标题化合物称为糖唑(系统名称:2,7 - 二甲氧基 - 9H - 咔唑 - 3 - 甲醛),化学式为C(15)H(13)NO(3),是一种天然存在的咔唑,从黄皮树的根中分离得到。咔唑环系统基本呈平面状,均方根偏差为0.0093 (1) Å。在晶体中,分子间的N - H⋯O氢键将分子沿c轴连接成链。还观察到C - H⋯O、C - H⋯π和π - π相互作用,质心 - 质心距离分别为3.5924 (6)、3.6576 (6)和3.8613 (6) Å。