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

以氮-苄基保护胺基料,经氢,苯甲酰,还三步合成双苯甲酰沙丁胺醇。

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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.

以邻氯苯甲酸和对乙氧基苯胺料,经过胺的苯基、胺的环、N-烷基、硫代反应合成了N-丁基-2-乙氧基硫代吖啶。

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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.

以邻氯苯甲酸料,先进行醚,再在三氯铝的作用下进行傅-克反应,可简洁、高效的合成呫吨。

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handpump, handrail, handrailing, handraulic, hand-reared, hand-reset, hand-restoring, hand-rodding, hand-running, hands,

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3G, 401(K), a,

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60-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.

来自帕劳:这个小小的太平洋群岛成第一个禁止使用含有对珊瑚有毒成分的防晒霜的国,包括羟苯甲酮和辛氧酸盐。

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handsets, handsew, handsewn, handshake, handshaking, hands-off, handsome, handsome salary, handsomely, hands-on,

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3G, 401(K), a,
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