cyclopropane

1. Theoretical ( DFT) Insights into the Mechanism of Nickel Catalyzed Chromium Carbene Transfer, Cyclopropane and Elimination Reactions
   镍催化铬卡宾卡宾转移，环化和消除反应机理的理论研究
2. A Valence Bond Study of the Aromaticity of Boron Clusters and Cyclopropane
   硼团簇与环丙烷芳香性的价键理论方法研究
3. Synthesis and characterization of glycosyl esters of cyclopropane carboxylic acid
   全乙酰化环丙烷甲酸糖酯类化合物的合成及结构确证
4. This paper reports the synthetic method for1-bromo-1-ethoxy cyclopropane and the best synthetic conditions for hectogram production in the laboratory.
   报道了1-溴-1-乙氧基环丙烷的合成路线和实验室百克量工艺条件。
5. Cyclopropane rings are included within larger systems, such as triterpenes.
   三元环包含在较大的环系统中，像三萜类中。
6. "cyclopropane: a highly flammable, explosive, colorless gas, CH, sometimes used as an anesthetic."
   “环丙烷：一种极易燃易爆的无色气体，CH，有时用作一种麻醉剂.”
7. Cloning of Cyclopropane Fatty Acid Synthase Gene from Lactococcus Lactis and Expression in Escherichia Coli
   乳酸菌环丙烷脂肪酸合酶基因的克隆及其在大肠杆菌中的表达
8. This paper reviews the recent progress in the synthesis of cyclopropane amino acids.
   本文综述了合成环丙烷氨基酸类化合物的近期研究进展。
9. Synthesis and Bioactivity of Chemical Plant Growth Regulators-N-( 2,4-dichlorophenyl) cyclopropane Carboxamide Compounds
   N-（2,4-二氯苯基）环丙酰胺类化合物的合成与植物生长调节活性
10. 2D NMR Studies on Cyclopropane Derivative
    环丙烷衍生物的2DNMR研究及立体构型测定
11. A theoretical study of cyclopropane adsorption on ru ( 001) surfaces
    环丙烷在Ru（001）面吸附的理论研究
12. Enantiomeric Resolution of trans 1,2 Disubstituted Cyclopropane by High Performance Liquid Chromatography
    高效液相色谱法对反式-1,2-二取代环丙烷类化合物的手性拆分
13. H/ D Exchange Reaction of Cyclopropane Derivatives in the Ion System of CD_3OD
    环丙烷衍生物在CD3OD离子体系中的H/D交换反应
14. H/ D exchange reaction properties of four cyclopropane derivatives were examined using D_2O as reaction reagent under chemical ionization condition.
    在D2O化学反应气条件下研究了环丙烷衍生物的H／D交换反应特性。
15. The composition of wetland PLFAs was mainly the saturated fatty acid, branched fatty acid and monounsaturated fatty acid; the contents of polyunsaturated fatty acid and cyclopropane fatty acid were relatively small in amount.
    结果表明，湿地PLFAs组成以饱和脂肪酸、支链脂肪酸和单不饱和脂肪酸为主，多不饱和脂肪酸与环丙烷脂肪酸含量较少。
16. Four active cyclopropane compounds 2a-2d were synthesized using active methylene ( 1a-1d) and 1, 2-dibromoethane with potassium fluoride soaking alumina as a strong base under the condition of solid-liquid phase transfer catalysis, and the reaction mechanism was discussed in this paper.
    以氟化钾浸渍的氧化铝为强碱，在固液相转移催化条件下，由活泼亚甲基化合物（1a～1d）与1，2－二溴乙烷合成了4种活性环丙烷化合物2a～2d，并探讨了其反应机理。
17. This paper contains two parts: ( 1) Trisubstituted Cyclopropane and FluorinatedAlkynone;
    本文包括两部分：（1）三取代环丙烷和含氟炔酮；
18. Combining with current status of domestic market, recent development of optical-active products, including cyclopropane carboxylic acid, halo-( or substituted) cyclopropane carboxylic acid and non-cyclopropane carboxylic acid, was briefly reviewed in this paper.
    本文主要结合国内拟除虫菊酯市场，按环丙烷羧酸、卤代（或取代）环丙烷羧酸和非环丙烷羧酸三个系列，叙述了光学活性产品的开发概况。
19. Studies on the Synthesis of Polysubstituted Cyclopropane
    多取代环丙烷化合物的合成研究
20. ACC ( 1 Amino cyclopropane 1 carboxylic acid) is a new type of plant growth regulator.
    ACC（1氨基环丙烷1羧酸）是一种新型植物生长调节剂。
21. Progress in the Research of the Synthesis of Cyclopropane Amino Acids
    环丙烷氨基酸合成研究进展
22. On the other hand, some racemates of trans 1,2 disubstituted cyclopropane with aliphatic group were also separated on the columns.
    另一方面，一些带有脂族取代基的反式－1，2－二取代环丙烷类化合物也能在这两种柱上得到拆分。
23. The geometries, bonding energies, activation energies and bonding properties of cyclopropane adsorption on Ru ( 001) surfaces are calculated by use of EHMO and tight-binding solid program.
    用EHMO和紧束缚固体能带程序计算了Ru（001）面吸附环丙烷的几何构型、键连能、吸附反应的活化能和吸附体系的成键本质。
24. Structure Characterization and Resolution of Spiro cyclopropane Compounds Containing Multiple Chiral Centers
    手性螺-环丙烷类化合物的结构特征和解析
25. The synthesis of ( bromomethyl) cyclopropane was reported.
    报道了溴代甲基环丙烷的合成。
26. Synthesis of optical derivatives of cyclopropane dicarboxylic acid
    具有光学活性的环丙烷-1,2-二羧酸衍生物的合成
27. The first chapter mainly introduces the application of cyclopropane units in organic synthesis. The chapter is to summarize the progress of cyclopropane units in organic synthetic reaction such as addition, rearrangement and pyrolysis in recent years.
    第一章主要介绍了环丙烷化合物在有机合成中的应用，此章就环丙烷化合物在有机合成中所参与的反应作以简要概述，主要从加成、重排和裂解等几个反应类型来介绍。
28. This protein was thought to be able to catalyze 4 reactions in 3 different pathways, sterol biosynthesis, cyclopropane and cyclopropene fatty acid biosynthesis, cyclopropane fatty acid ( CFA) biosynthesis.
    该酶被认为催化了固醇生物合成、环丙烷和环丙稀脂肪酸生物合成、环丙烷脂肪酸（CFA）生物合成等三个代谢通路中的四个反应。
29. So, the cyclopropane product comes from nickel carbenoids and chromium carbene.
    因此，环丙烷化反应产物来源有镍卡宾和铬卡宾。

noun

1. a colorless flammable gas sometimes used as an inhalation anesthetic