【摘 要】
：
Toxocarol C6H12O4 is a separated product from the plant of Toxocarpus (himalensis Falc. ex Hook. f.). It crystallizes in orthorhombic, the space group D2h-Pnca
论文部分内容阅读
Toxocarol C6H12O4 is a separated product from the plant of Toxocarpus (himalensis Falc. ex Hook. f.). It crystallizes in orthorhombic, the space group D2h-Pnca with a= 10.129(2), b= 11.297(3), c= 11.814(3)A, V=1351.9 A3, Z=8, Dc= 1.46 g.cm-3; m.p= 150.5°-151.5℃,μ(Mo)=1.3 cm-1. The result of structure analysis shows that the compound is a chair cyclohexan-tetrol .There is a complex net of hydrogen bonds in the crystal.
Toxocarol C6H12O4 is a separated product from the plant of Toxocarpus (himalensis Falc. Ex Hook. F.). It crystallizes in orthorhombic, the space group D2h-Pnca with a = 10.129 (2), b = 11.814 (3) A, V = 1351.9 A3, Z = 8, Dc = 1.46 g.cm-3; mp = 150.5 ° -151.5 ° C, μ (Mo) = 1.3 cm-1. The result of structure analysis shows that the compound is a chair cyclohexan-tetrol. There is a complex net of hydrogen bonds in the crystal.
其他文献
DBC-偶氮胂[Dibromoarsenazo,全称3-(2-胂酸基苯偶氮-6-(2,6-二溴-4-氯苯偶氮)-4,5二羟基-2,7-萘二磺酸],是一种特效的稀土显色剂,它能在强酸性介质中(大于2NHCl)与稀土形成
作为大众文化的动画片天生就有向外传播、扩散，为全世界人们共享的特性，这正如德国大诗人歌德所言：艺术和科学，跟一切伟大而美好的事物一样，都属于整个世界。也如马克思和恩格斯早
INTRODUCTION. The Fe_4S_4 cubane-like clusters have been extensively studied as the model compounds for the active center of the Fe-S proteins in the last fift
All attempts to prepare light lanthanide dicyclopeutadienyt chloride failed,due to the disproportionation reaction. The crystal complex of [(η~5-C_5H_5)_2NdCl
1929年春，由田汉领导的南国社带着一批剧目赴南京演出，其中最引人注目的是独幕剧《孙中山之死》。然而，这个准备首场演出的剧目却引起了一场风波。 《孙中山之死》原是田汉写的多幕剧《孙中山》中的最后一幕，为了争取时间，南国社决定将其中光彩照人的这一幕提出来作为独幕剧先行公演，由洪琛主演孙中山，杨泽蘅饰宋庆龄。 南国社到南京后，正当大家忙碌着装台之际，忽然国民党中宣部送来请柬，邀他们到羊皮巷戴季陶的
国际矿物协会的新矿物及矿物命名委员会近年来除审核批准新矿物外,在统一矿物名称及废弃依据不足的矿物种方面也进行大量的工作。共主要结果刊登在英国“矿物学杂志”上(Mine
若将血管紧张素转换酶抑制剂(ACEI)用于最可能获益的病人,稳定性冠心病病人服ACEI的裨益可望增加。单凭临床特征,不能可靠地识别出这些病人。所以在Rotterdam的Erasmus医学院
ＤｉｅＢｉｂｌｉｏｔｈｅｋＡＬＦＲＥＤＤＯＢＬＩＮＥｉｎＭａｎｎ，ＫａｒｌＦｌｉｅｄｅｒ，ｓｅｉｎｅｓＺｅｉｃｈｅｎｓＳｃｈｏｒｎｓｔｅｉｎｆｅｇｅｒ，ｇｉｎｇｅｉｎｍａｌｉｎｅｉｎｅＢｉｂｌｉｏｔｈｅｋｕｎｄｋａｍａｕｓｄｅｍＳｔａｕｎｅｎｎｉｃｈ...
DieBibliothekALFREDDOBLINEinMann, KarlFlieder, seinesZeichensSchornsteinfeger, gingeinmalineineBibliothekundkamausdemStaunenn
Mr=322.9, orthorhombic, P212121,a=19.867(4), b=15.793(3),c= 12.997(2)A, Z=4, Dc=1.23gcm-3,λ(CuKα)=1.5418A,μ=17.06cm-1, F(000)=1552. Final R=0.096 for 2764 u
电池电解液中的HgCl_2起缓蚀剂作用,保护负极锌片不被腐蚀,控制其中的HgCl_2含量对于提高产品质量有重要意义。测定Hg的分析方法很多,本实验选用冷原子吸收法。针对测定体系