以乙醇为溶剂,碘化钠为催化剂,由金属钠、对苯二酚和溴丁烷合成了1 ,4 -二丁氧基苯。
With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.
以二甲氧基乙酸甲酷和乙酸甲酷为主要原料,经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
地克珠利、环丙氨嗪、莱克多巴胺、牛至香酚、氯氰碘柳胺钠、双乙酸钠、乙氧基喹啉、大蒜素、脲酶抑制剂。
Diclazuril, Cyromazine, Ethoxy Quinoline, Closantel Sodium, Ractopamine, Oregano Oil, Garlicin, Urease Inhibitor etc. raw material and 100 various products such as preparation.
用苯酚和钠得到苯酚钠,苯酚钠和2-氯乙醇得到2-苯氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃,产率50%。
A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.
用苯酚和钠得到苯酚钠,苯酚钠和2-氯乙醇得到2-苯氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃,产率50%。
A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.
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