硼氫基 的英文怎麼說
中文拼音 [péngqīngjī]
硼氫基
英文
borine radical
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硼 :
名詞[化學] （非金屬元素） boron （b）
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氫 :
名詞[化學] （氣體元素） hydrogen （h）
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Methods 3, 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis, chlorination of the acid, esterification, condensation, then 3, 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亞甲
基偕二膦酸四乙酯（ 1 ） ?原料經水解、氯膦酰化、酯化、縮合得3 ， 3二（二芐氧膦酰
基）丙酸（ 5 ） ，隨后選擇性
硼氫化還原得3 ， 3二（二芐氧膦酰
基）丙醇（ 6 ） 。
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Dihydroxybenzyl alcohol is synthesized from 3, 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method
摘要以3 ， 5 -二羥
基苯甲酸為原料，經酰化、
硼氫化鈉還原體系還原，合成了3 ， 5 -二羥
基苯甲醇。
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The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations
用從頭計算方法對
硼氫化鈉不對稱還原對甲
基環己酮的機理進行了研究。
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The borohydride reducing reagent supported by the strong acid cation exchange resin was prepared by the strong acid cation exchange resin reacting with sodium borohydride. the reductive ability of the resin reducing the carbonyl compounds is strong, so the yields are generally pretty high ( 51 % ？
用強酸型離子交換樹脂與
硼氫化鈉作用制備了強酸型離子交換樹脂支載的
硼氫化還原劑.探討了在不同溶劑中制備的還原樹脂的還原能力；應用於還原羰
基化合物時有良好的產率（ 51 % ？
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The progress in synthesis of chiral phosphinamine ligands is reviewed. their applications in asymmetric allylic substitution, asymmetric 1, 4 - conjugate addition and asymmetric hydroboration are described
本文較為詳細地綜述了軸向手性膦氮配體合成及其在不對稱烯丙基取代反應、不對稱1 ， 4 -共軛加成反應及不對稱硼氫化反應中的應用。
