【摘 要】
：
1 ′,4′-Trans-diol of abscisic acid was isolated from botrytis cinerea as a colorless crystal. The molecular and crystal structures have been determined by X-r
【机 构】
：
Chengdu Institute of Biology,Department of Chemistry
【基金项目】
：
国家高技术研究发展计划(863计划)
论文部分内容阅读
1 ′,4′-Trans-diol of abscisic acid was isolated from botrytis cinerea as a colorless crystal. The molecular and crystal structures have been determined by X-ray diffraction analysis. It crystallizes in orthorhombic system, space group P212121 with a = 6.724(3), b = 17.559(6), c =12.265(2) (A), a = β = y = 90°, V = 1448.1(8) (A)3, Z = 4, Dx = 1.222 g/cm3, F(000) = 576 and μ(MoKa) = 0.087 mm-1. The final R = 0.0628 and wR = 0.1604 for 2501 independent reflections with Rint = 0.0160 and 1679 observed reflections with I ＞2σ(Ⅰ). There are three intermolecular hydrogen bonds in a unit cell.
其他文献
本论文以城乡二元结构的矛盾、城乡差距的拉大都未能有根本性的转变为大前提，以统筹城乡背景下新型城市化发展道路为研究视角，以金华市城市化为研究对象，分析了统筹城乡发展背景
随着社会的发展,经济的进步,高等院校纷纷重视其经济学专业,经济学专业的建设符合社会发展的需要,适应经济发展的需求。现阶段,经济学专业的发展受到诸多因素的影响,其中不利
目的 探讨本辖区婴幼儿母乳喂养现状及干预对策.方法 研究采用问卷调查的形式,对140例产后4个月来我院进行产后检查的产妇进行问卷调查,问卷内容包括:婴幼儿母乳喂养的具体方
一段时间以来,政界和学界有关宪政的呼声再次响起,掀起一股宪政热。关于宪政的争论不过两种,有人支持有人反对。支持者认为宪政具有普世价值,中国应该实行宪政;反对者则认为
目的:了解三台县某镇居民健康状况及卫生服务利用情况.方法:从三台县某镇按照经济状况好、中、差分层随机抽取工870户、3176人进行问卷调查.结果:调查居民的两周患病率为13.6
To investigate diterpenoids from the aerial parts of Andrographis paniculata (Burm. f.) Nees, three new ent-labdane diterpenoids, namely 19-norandrographolides
Novel tetralin compounds were designed and synthesized on the three-dimensional model of lanosterol 14α-demethylase of Candida albicans. All of the lead compou
Metabonomics, a novel systemic approach, was applied to studies of Traditional Chinese Medicine scutellarin in rat urine. The liquid chromatography coupled with
We reported the synthesis of a simple bifunctional molecule and the interaction between this molecule and DNA were studied by UV and the DNA cleavage behavoior
Molecularly imprinted polymers using 2,4-dichlorophenoxyacetic acid (2,4-D) as templates were prepared by suspension polymerization in silicon oil. The polymer