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1)  open chain
开链
1.
Synthesis of open chain crown ethers with p-chloroaniline as terminal group;
对氯苯胺为端基的酰胺型开链冠醚的合成
2.
We studied the self-consistent-variation ground state for an open chain with finite length of a PNB polymer, in the framework of the Baranowski-Büttner-Voit model.
在Baranowski-Büttner-Voit (BBV)理论模型框架内,我们研究了有限长聚对苯亚胺(PNB)聚合物开链的自洽变分基态,并讨论了其稳定性。
2)  open chain crown ether
开链冠醚
1.
Synthesis of open chain crown ethers with isopropylidene hydrazide as terminal group and complexes of rare earth nitrate;
以丙酮酰腙为端基的开链冠醚及其稀土配合物的合成
2.
Three open chain crown ether complex with thioic schiff base were synthesized by condensation of diaromatic aldehyde with open chain crown ether and4-allyl-3-thioicsenicarbazide.
由含开链冠醚基的二芳醛与4-烯丙基-3-硫代氨基脲缩合,合成三种含硫schiff碱型开链冠醚类配体,并初步研究了其与一些金属离子的配位性能。
3.
A novel open chain crown ether 2,6 di (8' quinolinoxy methyl) 4 methyl anisole was synthesized and characterized by elemental analysis, IR, 1HNMR and MS.
设计合成一种尚未见文献报道的酚醚型双臂开链冠醚化合物 L( L=2 ,6-二 ( 8’-喹啉氧甲基 ) - 4 -甲基 -苯甲醚 ) ,经元素分析、IR、1HNMR、MS等方法确定了其组成和结构。
3)  single-opened-chain
单开链
1.
Kinematics Analysis of a Parallel Pneumatic and Hydraulic Linkage Based on Single-opened-chain;
基于单开链单元的并联气液动连杆机构运动分析
2.
Direct Displacement Solution of the Tricept Robot Based on Ordered Single-opened-chain;
Tricept机器人机构位置正解的序单开链
3.
Based on the units of single-opened-chain limb,a new type 3-DOF parallel manipulator for realizing 2 translations-1 rotation was put forward according to theories of the structure type synthesis of parallel kinematics mechanism.
根据并联机器人机构结构综合理论,以单开链支路为单元,提出了一种能实现空间二维移动和一维转动的三自由度并联机构。
4)  acyclic polyether
开链冠醚
1.
Syntheses, Characteration and Properties of Organic-Inorganic Coordination Compounds Generated from Acyclic Polyether-bridged Ligands;
基于开链冠醚配体的有机—无机配位化合物的合成、结构及性质研究
5)  Ditching chain
开沟链
1.
The article designs a new type of ditching chain-edaphic and mineral ditching chain with reamer for solving that general ditching chain is difficult to be applied to ditching equipment.
本文为了解决目前普通开沟链条难以适应沟渠开挖设备的工矿问题,设计出一种新型开沟链条—刀式矿土复合型开沟链条,并开创性地提出了在土壤介质链传动过程中便于土壤颗粒移动的一种新式轮夹啮链条的链传动结构框架,而且针对此结构框架提出了链条的两种设计技术方案—相邻相同开沟链条、相间相同开沟链条。
6)  acyclic crown ether
开链冠醚
1.
In the presence of NaH and in DMF, the acyclic crown ethers 1a and 1b were synthesized by the reaction of di - or triethyleneglycol ditosylate and o - methoxymethoxybenzyl alcohol, which was obtained from salicylaldehyde via the protection of the hydroxyl group with chloromethyl methyl ether followed by the reduction of the formyl group with NaBH4.
然后将其在DMF中与NaH和二(或三)甘醇二对甲苯磺酸醑反应,得开链冠醚1a和1b。
补充资料:开链冠醚
分子式:
CAS号:

性质:即聚乙二醇二烷基醚类化合物,又称开链聚醚(open chain polyethers)。它们中有很多具有与冠醚类似的络合性能,容易与碱金属及碱土金属离子形成络合物,也能与一些中性分子(如硫脲)形成复合物。开链聚醚与大环冠醚相比其特点是,内部亲极性及外部亲油性、络合物稳定性及对一些离子的选择性都要比环状体系易于实现,它们的络合反应及去络合反应也比环状体系迅速,具有良好的构象揉曲性。

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