1) cyclopropane ,halogenated derivatives of
环丙烷卤化衍生物
2) cyclopropane derivatives
环丙烷衍生物
1.
Fifteen pairs of enantiomers of cyclopropane derivatives were resolved well on capillary gas chromatography using these β-CD derivatives as chiral stationary phases.
使用3种2,6-O-烯丙基-3-O-酰基-β-环糊精作为毛细管气相色谱手性固定相,对15对环丙烷衍生物对映异构体进行拆分,发现分离结果同固定相和溶质的结构与性质均有关。
2.
This paper deals with the reaction of 1,2,3 trisubstituted electron deficient cyclopropane derivatives cis 1 carbomethoxy 2 p substitutedphenyl 6,6 dimethyl 5,7 dioxo spiro [2,5] 4,8 octadiones with thiophenol to give the products 4 and 5a.
报导1,2,3-三取代贫电子环丙烷衍生物顺-1-甲氧羰基-2-对位取代苯基-6,6-二甲基-5,7-二氧-螺-[2,5]-4,8-辛二酮与苯硫酚的反应。
3) cyclopropane derivative
环丙烷衍生物
1.
In the presence of K2CO3 and trace water in diethunol dimethyl ethene,these olefins react with arsenic ylide to give electron-deficient cyclopropane derivatives with high stereoselectivity.
采用IR、MS、1H NMR、13C NMR、DEPT及二维核磁共振技术对所合成的化合物进行了结构表征,并以NOESY实验确定了该化合物为顺式结构的环丙烷衍生物。
2.
A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45%～55% yields.
以连二亚硫酸钠为引发剂,烯丙基丙二酸二乙酯与多氟烷基碘代烷在温和条件下反应,方便地得到一系列多氟烷基取代的环丙烷衍生物,产率45%～55%。
3.
All of the 1H and 13C NMR chemical shifts of cyclopropane derivative were assigned through 2D NMR with Pulse Field Gradient(PFG) techniques ,the stereo configuration was simulated by molecular simulation methods using the SGI INSIGHT II software,and the most stable configration was calculated.
应用2DNMR技术深入研究了环丙烷衍生物的结构及立体构型。
4) alogen(ated) derivative
卤化衍生物
5) cycloterpene ,halogenated derivatives of
环萜烯卤化衍生物
补充资料：环丙烷
| 环丙烷 cyclopropane 环烷同系列中第一个成员。分子式C3H6。无色易燃气体。熔点 － 127.6℃ ，沸点 － 32.7℃ ，相对密度 0.72（ －79／4℃）。环丙烷的三元环容易开环。例如它与溴反应生成1，3-二溴丙烷；在铂催化剂存在下，加热到50℃就重排成丙烯。环丙烷的特殊反应与三元环的张力有关。环丙烷可由1，3-二溴丙烷与锌粉作用制得。  |
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