X-ray structure analysis of a solid solution of milbemycins A3 and A4

被引：4
|
作者：
Bizdena, E. [1 ]
Belyakov, S. [2 ]
Jure, M. [1 ]
Grinsteine, I. [1 ,3 ]
Kumpins, V. [1 ]
Turks, M. [1 ]
机构：
[1] Riga Tech Univ, Fac Mat Sci & Appl Chem, LV-1007 Riga, Latvia
[2] Latvian Inst Organ Synth, LV-1006 Riga, Latvia
[3] PharmIdea Ltd, LV-2114 Olaine, Riga District, Latvia
来源：
NATURAL PRODUCT RESEARCH | 2013年 / 27卷 / 20期
关键词：
milbemycin A(3); milbemycin A(4); X-ray structure; solid solution;
D O I：
10.1080/14786419.2013.791820
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Milbemycins A(3) and A(4) are pharmaceutically and agriculturally useful macrolides isolated from Streptomyces species. The molecular structures of the title compounds were unambiguously established by a single crystal X-ray analysis of the solid solution of both compounds. The crystals present trigonal system, space group P3(2) with Z=3, unit cell dimensions: a=12.2211(4), c=17.5372(7)angstrom; V=2268.4(1)angstrom(3), =0.082mm(-1); d=1.183gcm(-3). An interesting system of intramolecular hydrogen bonds and weak intermolecular CH...O type hydrogen bond was observed in the solid state.
引用
收藏
页码：1936 / 1939
页数：4
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