sodium borohydride
[无化] 硼氢化钠
2026-04-14 08:31 浏览次数 25
[无化] 硼氢化钠
1. a crystalline compound NaBH4 used in various industrial applications and as a reducing agent in organic chemistry
veratryl alcohol was synthesized through the reduction of sodium borohydride from veratraldehyde with isopropanol as solvent, followed by solvent extraction and distillation under reduced pressure.
以藜芦醛为主要原料、异丙醇为溶剂,经硼氢化钠还原、溶剂萃取、减压精馏得到产物藜芦醇。
the results show that poplar apmp pulp treated by sodium borohydride could be brightened and stabilized significantly.
结果表明:硼氢化钠处理杨木漂白化机浆不但能够显着改善其白度稳定性而且对纸浆具有漂白作用。
in the first step, sodium hydrogen selenide is prepared on the material of selenium powder and sodium borohydride in solvent anhydrous ethanol.
在正丁胺的催化下,酮与硒氢化钠、二硒化钠乙醇溶液通过「一锅」法反应得到了中等产率的二硒醚。
the low cost, mild nature and high chemoselectivity are some of the distinct features that make sodium borohydride one of the most popular reagents used in industry.
硼氢化钠作为还原剂选择性好,性质温和,且价格低廉;它在工业上得到广泛的应用。
the synthesis technology and application of sodium borohydride at home and abroad have been described in this paper.
论述了国内外硼氢化钠的合成工艺及该产品的应用。
using sodium borohydride as reductant and dimethyl sulfoxide as solvent, 3,3'-azobis (benzoylhydrazide)was synthesized from m-nitrobenzoylhydrazide via reduction.
以间硝基苯甲酰肼为原料,以硼氢化钠为还原剂,二甲亚砜为溶剂,经还原反应合成了3,3′-偶氮二苯甲酰肼。
common mixtures include sodium citrates, sodium borohydride (also used to bleach wood pulp) and ammonium compounds, all of which can be toxic to humans and the environment.
一般的混合物包括柠檬酸钠,硼氢化钠(其也用于漂白木浆)和铵类化合物,所有的这些物质都对人体和环境有着危害。
sodium borohydride and its modified compounds are important reductants capable of reducing a great number of organic functional groups.
硼氢化钠及修饰的硼氢化钠是一类重要的还原剂,能还原多种有机官能团。
5-dihydroxybenzyl alcohol is synthesized from 3,5-dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method.
以3,5-二羟基苯甲酸为原料,经酰化、硼氢化钠还原体系还原,合成了3,5-二羟基苯甲醇。
as sodium borohydride releases its hydrogen, it turns back into borax so it can be recycled.
当固态的硼氢化钠分解出氢气的时候,它又会转化为硼砂,因此硼砂可以被循环利用。
in the presence of catalytic amounts of tellurium, aryl chloroacetates can be cleaved by sodium borohydride and regenerate parent phenols in good yields.
在催化量碲粉存在下,氯代醋酸芳酯可被硼氢化钠裂解,以良好产率生成母体酚。
chemical nickel plating solution which used sodium borohydride as reducing agent, ethylenediamine as complexing agent and bgr as stabilizing agent was studied in this paper.
本文研究了以硼氢化钠为还原剂,乙二胺为络合剂,bgr为稳定剂的化学镀镍溶液。
the compounds are obtained by using carvone as an initial raw material through chlorination reaction, condensation reaction, sodium borohydride reduction and huang min-lon reduction reaction.
该类化合物是以香芹酮为起始原料,经过氯代反应,缩合反应、硼氢化钠还原和黄鸣龙还原反 应得到的。
the reductive amination of aldehydes and ketones with amines in the presence of sodium malonyloxyborohydride 1 prepared in situ from malonic acid and sodium borohydride in anhydrous thf is described.
叙述了在原位生成的丙二酰氧基硼氢化钠存在下的醛、酮还原胺化反应。
the toxic hydrogen selenide gas was reduced, while the utilization of sodium borohydride was over a lot when the peg-400 instead of ethanol.
相对于乙醇、水等作为介质合成二硒醚,以peg-400为介质减少了剧毒气体硒化氢的排放,同时硼氢化钠的利用率有所提高。