cyclization造句
例句與造句
- Cyclization occurs readily with dilute alkali .
遇到稀堿就容易環(huán)化。 - Cyclization of olefines
烯烴環(huán)化 - Crude oil cyclization
原油環(huán)化 - Synthesis of benzimidazoles from o - nitroanilines in a one - step reductive cyclization process
鄰硝基苯胺還原關(guān)環(huán)一步法合成苯并咪唑類化合物 - Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和環(huán)氧氯丙烷在三氟化硼乙醚絡(luò)合物的催化作用下進(jìn)行加成和環(huán)化反應(yīng)制得標(biāo)題化合物。 - It's difficult to find cyclization in a sentence. 用cyclization造句挺難的
- Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
摘要烯丙醇和環(huán)氧氯丙烷在三氟化硼乙醚絡(luò)合物的催化作用下進(jìn)行加成和環(huán)化反應(yīng)制得標(biāo)題化合物。 - Diazaspiro [ 4 . 4 ] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement , hydrolytic cyclization and carbonyl reduction
摘要以丙二腈為原料，經(jīng)過(guò)親核取代、水解環(huán)合、羰基還原系列反應(yīng)，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
摘要以檸檬醛為原料，經(jīng)環(huán)化、羥腈化、水解關(guān)環(huán)和脫水4步反應(yīng)，以40 . 24 %的總產(chǎn)率合成了( ) -氫獼猴桃內(nèi)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 -三羥基苯乙酮為起始原料，經(jīng)羥基保護(hù)、縮合、環(huán)化、脫保護(hù)合成目標(biāo)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
實(shí)驗(yàn)結(jié)果表明,在此波形格式基礎(chǔ)上的測(cè)試向量轉(zhuǎn)換,不僅在速度上得到提高,同時(shí)針對(duì)大容量的測(cè)試向量集合,也能獲得較高的壓縮結(jié)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
摘要本文介紹近年來(lái)國(guó)內(nèi)外在茂金屬催化劑烯烴劑聚與環(huán)化方面的研究進(jìn)展，主要側(cè)重于茂金屬催化劑烯烴劑聚， , -二烯的環(huán)化及應(yīng)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
摘要以鄰苯二酚為原料，通過(guò)一系列取代反應(yīng)，再經(jīng)過(guò)還原、縮合，最后在高沸點(diǎn)的混合有機(jī)溶劑中關(guān)環(huán)。制備的3 -喹啉羧酸乙酯衍生物的總收率為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 %
摘要以環(huán)氧苯乙烯和n -甲基乙醇胺為起始原料，經(jīng)親核開(kāi)環(huán)、氯代和環(huán)合反應(yīng)得到中間體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
本文為了實(shí)現(xiàn)由芯片設(shè)計(jì)仿真出來(lái)的測(cè)試向量到測(cè)試設(shè)備的測(cè)試程序的轉(zhuǎn)換,在分析了不斷變化的測(cè)試需求后,本文提出了一種類stil的波形數(shù)據(jù)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
長(zhǎng)鏈烷基苯主要是細(xì)菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發(fā)生環(huán)化脫羧再芳構(gòu)化或單環(huán)芳烴與脂肪酸烷基化反應(yīng)形成的產(chǎn)物。
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