| 1. | Cyclization occurs readily with dilute alkali .
遇到稀碱就容易环化。
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| 2. | Cyclization of olefines
烯烃环化
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| 3. | Crude oil cyclization
原油环化
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| 4. | Synthesis of benzimidazoles from o - nitroanilines in a one - step reductive cyclization process
邻硝基苯胺还原关环一步法合成苯并咪唑类化合物
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| 5. | Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。
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| 6. | Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
摘要烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。
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| 7. | Diazaspiro [ 4 . 4 ] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement , hydrolytic cyclization and carbonyl reduction
摘要以丙二腈为原料，经过亲核取代、水解环合、羰基还原系列反应，合成了2 ， 7 -二氮螺[ 4 . 4 ]壬烷。
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| 8. | The natural product ( ) - dihydroactinidiolide was synthesized from citral via following steps : cyclization , cyanation , hydrolysis - cycization and dehydration in 40 . 24 % total yield
摘要以柠檬醛为原料，经环化、羟腈化、水解关环和脱水4步反应，以40 . 24 %的总产率合成了( ) -氢猕猴桃内酯。
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| 9. | Methods pinocembrin and its derivatives were synthesized with 2 , 4 , 6 - trihydroxy - phenylethanone as the starting material via four steps including protection of the hydroxy - group , condensation , cyclization and deprotection
方法以2 , 4 , 6 -三羟基苯乙酮为起始原料，经羟基保护、缩合、环化、脱保护合成目标化合物。
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| 10. | In order to reduce time in this procedure , we realize a fast cyclization algorithm based on the hash table . experimental results show that this approach is efficient and automated in test vector translation
实验结果表明,在此波形格式基础上的测试向量转换,不仅在速度上得到提高,同时针对大容量的测试向量集合,也能获得较高的压缩结果。
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