Crystal structure of tylophorine methiodide monohydrate, C25H30NO4+I-center dot H2O

被引：2
|
作者：
Mitra, SN
Rajan, SS
Govindachari, TR
Subramanian, E
机构：
[1] UNIV MADRAS,DEPT CRYSTALLOG & BIOPHYS,MADRAS 600025,TAMIL NADU,INDIA
[2] SPIC FDN,DIV CHEM RES,MADRAS 600025,TAMIL NADU,INDIA
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 1996年 / 26卷 / 03期
关键词：
tylophorine; anti-asthmatic drug;
D O I：
10.1007/BF01673675
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The crystal structure of tylophorine (Chemical name 2,3,6,7 tetramethoxy phenanthro [9,10:6',7'] indolizidine. Contribution No. 0871.) methiodide monohydrate has been determined. C25H30NO4+I- . H2O, triclinic, P (1) over bar, a = 8.831(1)Angstrom, b = 10.842(2), c = 13.902(2), alpha = 105.9(1)degrees, beta = 104.7(1), gamma = 97.3(1), V = 1210.22 Angstrom(3), Z = 2, D-x = 1.428 g/cm(-3), lambda(CuK alpha) = 1.54184 Angstrom, mu(CuK alpha) = 107.2 cm(-1), F(000) = 544, T = 295 degrees K, R = 0.038, Rw = 0.046, for 2331 observed reflections with I greater than or equal to 2 sigma(I). Apart from van der Waals forces, the structure is stabilized by two hydrogen bonds of the type Ow(H)...O and Ow(H)...I- involving the water molecule as the donor and atom O4 of the methoxy group and I- as accepters.
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页码：223 / 226
页数：4
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