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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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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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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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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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Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.4 % overall yield.

以对氨基水杨酸为原料,经酯化 、 酰化和烃化反应得乙氧苯酯,总收率为87.4%.

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Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination 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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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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The target compound was synthesized via 6 steps from chloroacetyl chloride in 27.7 % overall yield.

以氯乙酰氯为原料,经6步反应合成目标化合物,总收率27.7%.

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The overall yield was 38.3 % and the melting point was 131 - 133 jas.

再由二氯亚砜氯化之后与氨水在低温下反应制得3,5-二甲基苯甲酰胺,产品总收率38.3%,熔点131℃～133℃.

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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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