overall yield

  • overall yield
  • 释义

    总回收率;总收率

纠错 数据更新时间:2026-04-19 20:25:35
1、

Aceclofenac was synthesized in 82 % overall yield from sodium diclofenac and t-butyl chloroacetate viaesterification and hydrolysis.

双氯芬酸钠与氯乙酸叔丁酯经酯化、水解反应制得非甾体抗炎药醋氯芬酸,收率82%.

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2、

Phloroglucinol was prepared from sodium trinitrobenzoate through catalytic reduction and pressurizedhydrolysis in 62 % overall yield.

三硝基苯甲酸钠经催化还原、加压水解等反应制得间苯三酚,总收率62%.

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3、

Results: We successfully improved the synthesis technology of zolmitriptan with an overall yield of16%.

结果:改进了佐米曲普坦的合成工艺,总收率提高至16%。

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4、

Th e overall yield of sodium copper chlorophyllin is 41.3%.

全过程叶绿素铜钠盐的收率可达41.3%。

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5、

In phenylethyl alcohol method-( 4-hydroxyphenylethyl) alcohol was synthesized by esterification, nitrofication, reduction and diazo-tization from-phenylethyl alcohol in 24.0% overall yield.

在苯乙醇合成法中,以苯乙醇为原料通过酯化、硝化、脱酯、还原、重氮化这五步反应合成了β-对羟基苯乙醇,总收率达到24.0%。

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6、

If the bond was purchased at a premium ( above par), then your overall yield to maturity will be lower than your stated coupon rate.

如果债券溢价(高于票面价值)购买的,那么你的整体到期收益率将低于您说的票面利率。

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7、

The overall yield of sodium copper chlorophyllin is 41.3 %.

全过程叶绿素铜钠盐的收率可达41.3%.

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8、

The YTM factors in everything to give the true overall yield to an investor.

油尖旺一切因素,给真正的总收率投资者。

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9、

Ethyl-4'-cyano-phenyl Carboxylic ester, a liquid crystal compound, was prepared from ethyl benzene by reaction of Friedel-Crafts, haloform, acylation and esterification in 44.8% overall yield.

以乙基苯为原料,经付-克反应、卤仿反应、酰化和酯化合成了液晶化合物对乙基苯甲酸对氰基苯酚酯,四步总收率44.8%。

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10、

2,6-Bis ( 4-aminophenoxy) benzonitrile monomer was synthesized from 4-aminophenol and 2,6-dichloro benzonitrile with the overall yield of 55%.

从4-氨基酚和2,6-二氯苯腈出发,合成了2,6-双(4-氨基苯氧基)苯腈单体,总收率为55%。

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11、

N-guanylurea dinitramide ( GUDN) was synthesized with N-guanylurea hydrochloride as primary substance by hydrolysis and double decomposition reaction in turn and the overall yield of GUDN is79%.

以盐酸脒基脲为原料,通过水解、复分解反应,合成了N-脒基脲二硝酰胺盐(GUDN),总收率可达79%。

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12、

Oxidronate was prepared from triisopropyl phosphite by diphosphonation, chlorination, pyrolysis and reduction with 32 % overall yield.

以亚磷酸三异丙酯为原料,经膦酸化 、 氯化 、 热解、还原等反应合成奥昔膦酸盐,总收率为32%.

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13、

7-bromo-6-chloro-4 ( 3H)-quinazolinone is an important intermediate of anticoccidial drug halofuginone, which was prepared from nitrobenzene by bromination, reduction, condensation, cyclization and so on. The overall yield of the seven-step is 60%.

研究以硝基苯为起始原料,经过溴化、还原、缩合、环化等七步反应,合成了7-溴-6-氯-4(3H)-喹唑啉酮,总收率为60%。

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14、

Hydantoin was synthesized from glycine and sodium cyanate, which was condensed with benzaldehyde to give monohydrated sodium phenylpyruvate in 67.0% of overall yield after alkaline hydrolysis.

由甘氨酸和氰酸钠反应合成海因,然后与苯甲醛缩合,经碱水解得到一水合苯丙酮酸钠,总收率为67.0%。

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15、

Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.

以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%.

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16、

Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination with 40.6% overall yield.

以水杨醛为原料,经缩合、还原、酰化、脱甲基、溴化反应制得苯溴马隆,总收率40.6%。

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17、

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride an overall yield of 23.4 %.

以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%.

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18、

Thymopentin, 32-36 amino acid residues of thymopoietin ⅱ, was synthesized in liquid-phase system by Boc protected stepwise prolonging method in 30% overall yield.

采用对酸敏感的Boc法α-氨基保护策略和碳链逐步增长法液相合成了胸腺生成素Ⅱ第32~36位氨基酸残基胸腺五肽,总收率30%。

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19、

Results: The overall yield rate of 410 public objects was 68.3%.

结果:410份公用物品总合格率为68.3%。

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