Under the optimal conditions, the total yield comes up to 56 %.

在所拟最佳条件下, 总收率可达56%.

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Result: The qualified product was obtained with the total yield 35 %.

结果: 采用该策略可得到合格的产品,且合成纯化总产率达到35%.

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After acidic hydrolysis, phenylalanine was obtained with total yield of 62.5 %.

然后经酸性水解得苯丙氨酸消旋体.

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The total yield and 4 - chlorohenzoyl chloride. 6 % and. %.

以对氯甲苯为原料,经氯化、水解反应合成对氯苯甲酰氯,总收率. 6%.%.

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Results Total yield of ilomastat was 11.9 % . The structure was confirmed by 1 H - NMR and MS.

结果:总产率为11.9%, 结构经核磁共振氢谱和质谱验证.

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Tinidazole was synthesized from metronidazole by bromination, thiolation and oxidation with total yield of 44.6 %.

以甲硝唑为原料,经溴化 、 硫醚化和氧化合成替硝唑,总收率44.6%.

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Triflumuron was synthesized by the reaction phenyl isocyanate and o - chlorobenznyel amide. The total yield was 77 %.

采用以对三氟甲氧基苯胺和光气为原料合成的异氰酸酯与邻氯苯甲酰胺加成反应制备杀铃脲, 产品总收率约77%.

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The total yield and purity of 4 - chlorohenzoyl chloride was 94.6 % and 99.3 % , respectively.

以对氯 甲苯 为原料,经氯化、水解反应合成对氯苯甲酰氯,总收率为94.6%,产品含量为99.3%.

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The product purified by distillation in vacuum. The total yield was 87.4 % based on PCl _ 3.

产物通过减压蒸馏纯化, 以三氯化磷计,总收率达87.4%.

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Results: The total yield of rupatadine was 32.4 %.

结果: 合成了卢帕他定,总收率32.4%.

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The result shows that the method is convenient and the total yield is higher.

结果表明操作方法简便,总收率较高.

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The total yield was 59 %.

三步反应总收率59%.

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The total yield was 52 %.

结果及结论总收率52%.

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The purity of object product was 98.6 %, total yield reached 39.5 % ( calculated based on ethyl cyanoacetate ).

所得产物的纯度为98·6%, 总收率达到39·5% ( 以氰乙酸乙酯计 ).

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