• Total yield of pharmaceutical tannic acid and gallic acid was ca. 91%.

    产物总得(包括药用单宁没食子酸)为91%。

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  • RESULTS The total yield of palonosetron hydrochloride was 76%.

    结果合成盐酸帕洛诺司琼,收率76%。

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  • The results showed that, the correlativity of the total unit energy consumption with the total yield of crude distillation is poor based on "heat balance method" .

    研究结果表明热量平衡法”为计算基准蒸馏单位能耗拔出的线性关联性差;

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  • Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation, cyclization and bromination with total yield of 61%.

    以2 -丁烷尿素作为起始原料,经缩合、环化、三步反应得到除草定,收率为61%。

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  • Result Articaine hydrochloride has been successfully synthesized in the total yield of 17%.

    结果成功地合成了盐酸阿替卡因,收率为17%。

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  • The total yield of oryzalin was over 55%.

    收率55%以上。

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  • With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.

    对羟基苯乙酰胺为原料烷基化水解酯化、氧化等4反应合成丁苯羟酸,收率为46.5%。

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  • Except for the fermentation step, the total yield of the five chemical synthetic steps is 29%.

    微生物发酵步骤后五化学合成法收率可达29%。

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  • The total yield of the process is higher than 80% (based on 7 ADCA). The product was obtained as a high purity crystalline powder.

    7-ADCA为基准合成收率80 %在上产物纯度结晶性粉末

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  • The results showed that the differences of total yield between main cropping and ratooning cropping and ratooning rate among different rice varieties(combinations) were significant.

    结果表明不同品种组合)头季再生稻产量之间存在显著的差异,供试材料间再生的差异很大。

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  • The experimental result showed that the total yield of allantoin can be obviously increased by recycling the reaction mother solution once.

    实验表明,将反应后分离出尿囊素母液循环利用一次明显提高尿囊素收率

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  • Besides, Litsea cubeba oil of high quality may be extracted from distillate obtained from different stages without changing the total yield.

    分阶段接收馏出液在总产率不变情况下得到相当比例的质量的山子油。

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  • Results: A total yield of 44. 4% (calculated as cyanoacetic acid) was obtained and its spectral data obtained were identical with those reported in literature.

    结果:以氰乙酸计,收率44。4%。目标产物的光谱数据文献报道一致。

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  • Results The total yield was 25.3%, far more than 4%, which was reported in the literature. After recrystallization, the purity of the finished product was higher than 99%.

    结果伏立康唑收率为25.3%,远远高于文献报道的收率(4%),制得伏立康唑经过结晶得到色谱纯度>99%的成品

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  • The total yield of gemcitabine was 15.8%.

    结果:合成盐酸吉西他滨收率15.8%。

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  • Tke effect of time, temperature, the rate of material on product had been tried. The concent of glycerin monostearate reached 98. 5%, the total yield was 87. 3%.

    试验了酯化反应时间、反应温度物料比对产物影响.甘油单硬脂酸酯含量达到98.5%,总产率为87.3%。

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  • The reaction total yield exceeds 70%.

    反应收率达到70%以上。

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  • The process conditions of Penmedipham were studied in this paper, content of products reached 97 %, total yield reached 71.8 % through two-step synthesis process.

    研究对合成甜菜工艺条件进行了探索,产品中甜菜宁原粉质量百分数97% ,两步合成收率71.8%。

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  • The total yield is 64%.

    两步反应的收率64%。

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  • Results The total yield was above 20%.

    结果实验路线简便,收率达到20%。

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  • Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.

    双氰胺糖精起始原料,经过开、光气化、缩合等一系列反应制备了磺隆,合成反应的收率可达57。

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  • The obtained product was further reacted with 85%-hydrazine hydrate in ethanol to form o-chlorobenzoyl hydrazine. The total yield was 37.8%.

    后者乙醇反应介质85%(质量分数)水合反应生成邻氯苯甲酰肼,反应总产37.8%。

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  • A process for the preparation of anticholinergic drug Cyclopentolate Hydrochloride by two-step sequence starting from sodium Phenylacetate in about 50% total - yield was reported.

    探索胆碱盐酸环喷托酯的合成工艺。该工艺以苯乙酸钠为原料,两步化学反应得到目标产品,总产率约50%。

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  • Results Aripiprazole was confirmed by elemental analysis and IR. The total yield was 81%.

    结果阿立收率为81%,元素分析红外光谱确证化学结构正确。

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  • This article provides the synthesis methods of high purity Arsine by arse nic, zinc and sulfuric-acid. The purity is 99.995%. Total yield reaches 85%.

    介绍了用硫酸合成高纯砷烷方法,产品纯度99.995%,收率为85%。

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  • This article provides the synthesis methods of high purity Arsine by arse nic, zinc and sulfuric-acid. The purity is 99.995%. Total yield reaches 85%.

    介绍了用硫酸合成高纯砷烷方法,产品纯度99.995%,收率为85%。

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