| 1. | Isolable carbocyclic compounds contain seven or fewer carbons in the cycle . 可分离的碳环化合物环内含七个或七个以下的碳。 |
| 2. | Special methods for four-membered carbocyclic rings are given in chapter 32 . 制取四碳环化合物的特殊方法是在第三十二章中阐述的。 |
| 3. | In fused-ring and bridge-ring compounds two carbons are common to the two rings . 在稠环和桥环化合物中,两个碳原子是两个环公用的。 |
| 4. | In fused-ring and bridged-ring compounds two carbons are common to the two rings . 在稠环和桥环化合物中,两个碳原子是两个环公用的。 |
| 5. | More work is needed to uncover whether such a core exists or whether the polycyclic compounds result from the drastic treatments . 为了揭开这样一种芳核是否存在,或者多环化合物是不是由于剧烈处理所引起的问题,必须进行大量的工作。 |
| 6. | This review introduces recent advances in preparing functionalized carbocycles from carbohydrates by chemical methods 摘要介绍利用碳水化合物成官能团化碳环化合物的化学方法的最新进展。 |
| 7. | Synthesis with carbocyclic compounds , such cyclodienylsilane , quinic acid and norbornene , etc , as starting materials is discussed in detail 重点介绍了以环二烯基硅烷、奎宁酸、降冰片烯等碳环化合物为原料合成碳环糖的进展。 |
| 8. | Calixarenes , cyclic oligomer of phenol - formaldehyde condensates have attracted great interest in supramolecular chemistry due to their peculiar molecular recognition ability 作为第三代超分子大环化合物的代表,杯芳烃具有特殊的分子识别能力和独特的结构易修饰性。 |
| 9. | Calixarenes , cyclic oligomer of phenol - formaldehyde condensates have attracted great interest in supramolecular chemistry due to their peculiar molecular recognition ability 摘要作为第三代超分子大环化合物的代表,杯芳烃具有特殊的分子识别能力和独特的结构易修饰性。 |
| 10. | Otsuka chemical , the leader in the hydrazine industry , has been pursuing possibilities of hydrazine compounds for half a century , and is offering various functional hydrazine derivatives 大冢化学致力于功能性肼衍生物的开发,从早期的水合肼盐,到偶氮类发泡剂和聚合引发剂,不断追求水合肼、肼的衍生物和多元环化合物的新功能。 |