| 1. | Synthesis of open chaining crown ether compound
开链冠醚衍生物的合成 |
| 2. | The determination of schiff base - acyclic crown ethers dissolubility and acid dissociation constant
碱型羧酸开链冠醚溶解性及酸离解常数的测定 |
| 3. | ( 7 ) the effects of crown ethers and soft units on polymers properties were sophisticated
门）冠醚环和柔性间隔基对聚合物的热力学性能和液晶性能的影响是复杂的。 |
| 4. | A review with 21 references on development and applications of calix crown ethers are described
摘要综述了杯芳冠醚的产生、发展及应用研究的新进展，展望了它的工业应用前景。 |
| 5. | This article reviewed the synthesis of n - substituted aza crown ethers and their new applications to the field of selective complexation and extraction for metal ions
摘要综述了n -取代氮杂冠醚的合成和对金属离子的选择性络合和萃取研究的新进展。 |
| 6. | Under acid condition open chaining crown ether diaromatic aldehyde can react , and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应，合成了链状冠醚二芳醛缩氨硫脲类化合物。 |
| 7. | Calixarenes taken as the third general artificial synthetic receptors , following crown ethers and cyclodextrins , have been well explored in molecular self - assembly
杯芳烃作为继冠醚、环糊精之后的第三代人工合成受体分子己在分子自组装研究方面取得了重要进展并显示了广泛的应用前景。 |
| 8. | ( 6 ) conformations of crown rings of polymers were different from those of crown ethers , the two benzene rings of crown in polymers were contorted to each other
（ 6 ）在聚合物中，冠醚环的构象不同于相对应的小分于冠醚环的构象。两个苯环发生了相对扭曲，夹角变大，冠醚环变得舒展。 |
| 9. | Moreover , the stereo structures of diaminodibenzo crown ethers were studied by means of " h - nmr , 13c - nmr and molecular mechanics theory . dialdehyde compounds were also synthesized and characterized
通过~ 1h - nmr 、 ~ ( 13 ) c - nmr和分子力学计算法研究了二氨基二苯并冠醚异构体的空间立体结构。 |
| 10. | 2 . synthesis and characterization of monomers dibenzo - 14 - crown - 4 , dibenzo - 18 - crown - 6 , dibenzo - 15 - crown - 5 and dinitryl , diamino substituted crown ethers were synthesized
单体的合成与表征从基础有机原料开始，合成了二苯并? 14 ?冠? 4 、二苯并? 18 ?冠? 6 、二苯并? 15 ?冠? 5及其二硝基、二氨基衍生物。 |
