cyclization造句
例句与造句
- Cyclization occurs readily with dilute alkali .
遇到稀碱就容易环化。 - Cyclization of olefines
烯烃环化 - Crude oil cyclization
原油环化 - 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 - 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。 - It's difficult to find cyclization in a sentence. 用cyclization造句挺难的
- 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。 - 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。 - 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。 - 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。 - 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。 - The recent advances in olefins oligomerization catalyzed by metallocene catalyst have been reviewed . emphasis is given to the catalytic reactions , cyclization and prospect of application of metallocene catalyst
摘要本文介绍近年来国内外在茂金属催化剂烯烃剂聚与环化方面的研究进展，主要侧重于茂金属催化剂烯烃剂聚， , -二烯的环化及应用前景。 - The paper introduces a new highly - effective synthesis method . decoquinate was synthesized with catechol as starting materials via substitution , reduction , and at last cyclization with " dowtherm a " as solvent
摘要以邻苯二酚为原料，通过一系列取代反应，再经过还原、缩合，最后在高沸点的混合有机溶剂中关环。制备的3 -喹啉羧酸乙酯衍生物的总收率为24 . 2 % 。 - Mirtazapine was prepared by a seven - step reaction , namely nucleophilic ring - opening reaction , chlorination , cyclization , uncleophilic substitution , hydrolysis , reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials , with overall yield of 22 . 6 %
摘要以环氧苯乙烯和n -甲基乙醇胺为起始原料，经亲核开环、氯代和环合反应得到中间体1 -甲基3 -苯基哌嗪。 - Research on key techniques in test vector cyclization translation . in this paper , we present a proposed cyclization method that combines sampling method and waveform method . using this method , the procedure is to need a timing set in every period
本文为了实现由芯片设计仿真出来的测试向量到测试设备的测试程序的转换,在分析了不断变化的测试需求后,本文提出了一种类stil的波形数据格式。 - Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid , with the help of clay minerals catalytic effect , which comes from bacteria , seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions
长链烷基苯主要是细菌、藻类和高等植物类脂化合物中脂肪酸在粘土矿物催化下发生环化脱羧再芳构化或单环芳烃与脂肪酸烷基化反应形成的产物。
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