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New flexible ligand derived from this achiral biphenylbackbone was applied in Cu-catalyzed enantioselective 1,4-conjugate additionsof Et_2Zn to chalcone.

进一步衍生得到的非手性联苯型P,N 配体,在Cu催化Et_2Zn对查耳酮的1,4-共轭加成反应中也进行了考察。

In the Cu-catalyzed enantioselective 1,4-conjugate addition of diethylzinc to acyclic enones, the reaction conditions, such as the amount of diethylzinc, solvents, temperature and the reaction time, were investigated in detail with 9a as the standard ligand and chalcone as the typical substrate.

考察了Et_2Zn量、溶剂、反应温度和反应时间等因素对反应的影响,得到了配体与Cu的摩尔比为2.5、1.5倍Et_2Zn用量、甲苯为反应溶剂、-20℃下反应6小时为不对称催化1,4-共轭加成的优化反应条件。

Retroreflector array is used as pseudo phase conjugator in the system. The fidelity of the conjugate wave and matching problem of the retroreflector array and Hartmann-Shack wavefront sensor is discussed. Several data fusion methods are presented in order to having two Hartmann-Shack wavefront sensors control one set of wavefront corrector. The misalignment errors of Hartmann-Shack wavefront sensor and arrangement errors of wavefront sensor and deformable mirror are analyzed. At the same time, numerical work based on the data of practically system, such as 61 element AO system, are done corresponding to the problem respectively and the results are given.The system of CP/CM AO is setup to fulfill all the functions.

针对不同的应用环境,提出了四种CP/CM衍生光路;进行了关键器件——角反射器阵列的保真度分析,给出了角反射器阵列作为伪相位共轭器件,与哈特曼—夏克波前传感器的匹配条件,认为角反射器阵列的布局要与哈特曼波前传感器的微透镜阵列布局完全对应,才能达到最优探测效果;提出了四种双哈特曼传感器控制一套波前校正器的数据融合方式,并逐一进行了分析,认为加修正因子斜率融合和电压融合方式在目前工程中是适用的,并进行了相应的数值模拟;给出了哈特曼传感器自身的调整误差分析过程,得到了误差可通过常规标定消除的判断依据;通过数值计算,得到了常规自适应光学系统和CP/CM系统哈特曼传感器和变形镜的对准误差对系统性能的影响,给出了两种系统对于不同对准误差情况下校正效果的变化情况和相应系统容限;以37单元自适应光学系统为基础,搭建了CP/CM自适应光学系统光路,并完成了系列CP/CM功能实现实验,运用双哈特曼传感器数据融合,成功实现了CP/CM自适应光学系统的闭环实验。

Retroreflector array is used as pseudo phase conjugator in the system. The fidelity of the conjugate wave and matching problem of the retroreflector array and Hartmann-Shack wavefront sensor is discussed. Several data fusion methods are presented in order to having two Hartmann-Shack wavefront sensors control one set of wavefront corrector. The misalignment errors of Hartmann-Shack wavefront sensor and arrangement errors of wavefront sensor and deformable mirror are analyzed. At the same time, numerical work based on the data of practically system, such as 61 element AO system, are done corresponding to the problem respectively and the results are given. The system of CP/CM AO is setup to fulfill all the functions. Through the data fusion of two Hartmann-Shack wavefront sensors, the system runs successfully and realizes the close loop. It lays a good foundation for the application of CP/CM AO. Another aspect of this paper is to expand the working band of Hartmann-Shack wavefront sensor through Frequency Transfer of Nonlinear Optics.

针对不同的应用环境,提出了四种CP/CM衍生光路;进行了关键器件——角反射器阵列的保真度分析,给出了角反射器阵列作为伪相位共轭器件,与哈特曼—夏克波前传感器的匹配条件,认为角反射器阵列的布局要与哈特曼波前传感器的微透镜阵列布局完全对应,才能达到最优探测效果;提出了四种双哈特曼传感器控制一套波前校正器的数据融合方式,并逐一进行了分析,认为加修正因子斜率融合和电压融合方式在目前工程中是适用的,并进行了相应的数值模拟;给出了哈特曼传感器自身的调整误差分析过程,得到了误差可通过常规标定消除的判断依据;通过数值计算,得到了常规自适应光学系统和CP/CM系统哈特曼传感器和变形镜的对准误差对系统性能的影响,给出了两种系统对于不同对准误差情况下校正效果的变化情况和相应系统容限;以37单元自适应光学系统为基础,搭建了CP/CM自适应光学系统光路,并完成了系列CP/CM功能实现实验,运用双哈特曼传感器数据融合,成功实现了CP/CM自适应光学系统的闭环实验。

Substituent effect of pyrazoles was also investigated by DNMR and DFT.We successfully synthesized these intermediates with exclusively-conformations in a mild condition. X-ray results show that substituents in the pyrazolyl ring affect greatly on the structures of products, especially theπdelocation of the fragment 1-metal-butadiene.

本文以取代吡唑和1-炔基Fischer卡宾化合物的Michael加成反应合成了12个-型β-吡唑基烯基卡宾化合物,反应条件温和。X-ray晶体衍射显示吡唑上取代基对产物结构,特别是1-M-丁二烯的共轭程度具有较大的影响。

Understand the chemistry of alkenes and alkynes: nomenclature, electronic structures, sequence rule, cis-trans isomers, electrophilic addition reactions and mechanism, Markonikov's rule, conjugated dienes, rules of resonance forms.

A2 E3 了解烯类及炔类的化学性质:命名、电子结构,顺反异构物,亲电子加成反应及机制,马克尼可夫规则,共轭双键及共振式。

A conjugate addition of alkadienyl carbonyl compound with vinyl palladium intermediates which can be formed from oxypalladation of alkynes or allenes was studied, and 1, 6-addition products were obtained.

发现不饱和烃的分子内氧钯化得到的烯基钯中间体能够与不饱和共轭双烯的醛酮反应,选择性的得到1,6-加成产物。

This is what the LORD said to me: Make a yoke out of straps and crossbars and put it on your neck.

27:2 耶和华对我如此说,你作绳索与轭,加在自己的颈项上

This is what the LORD said to me: Make a yoke out of straps and crossbars and put it on your neck.

耶和华对我如此说:你做绳索与轭,加在自己的颈项上

Thus saith the LORD to me; Make thee bonds and yokes, and put them upon thy neck

27:2 耶和华对我如此说,你作绳索与轭,加在自己的颈项上

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Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

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