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The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护为原料,经氢化,酰化,还原三步合成双甲酰

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Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

酸为原料,先进行醚化,再在三化铝的作用下进行傅-克反应,可简洁、高效的合成呫吨

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N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

酸和对乙氧基为原料,经过基化、二芳的环化、N-烷基化、硫代化反应合成了N-基-2-乙氧基硫代吖啶

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fluorescein, fluorescein isothiocyanate, fluoresceine, fluoresceinuria, fluorescence, fluorescence microscopy, fluorescence-emission, fluorescencespectrophotometer, fluorescent, fluorescent dye,

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3G, 401(K), a,

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科学60秒-科学美国人 2019年3月合集

From Palau: The tiny Pacific archipelago became the first country to prohibit the use of sunscreens containing coral-toxic ingredients, including oxybenzone and octinoxate.

:这个小小的太平洋群岛成第一个禁止使用含有对珊成分的防晒霜的国家,其中包括羟苯甲和辛氧酸盐。

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fluorgypsum, fluoric, fluorid, fluoridate, fluoridation, fluoridationist, fluoride, fluoridization, fluoridize, fluoridizer,

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3G, 401(K), a,
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