CAS: 13774-81-7; Borane Ammonia Complex

Ammonia Triborane 以 水 用作溶剂,化学反应生成硼烷铵络合物
参考文献:氨三硼烷:一种新的合成,结构测定和水解氢释放特性
标题:氨三硼烷:一种新的合成,结构测定和水解氢释放特性
摘要:B(3)H(8)(-) 在甘醇二甲醚溶液中碘氧化反应生成(Glyme)B(3)H(7),然后通过与无水氨反应置换配位的甘醇二甲醚提供了一种安全方便的制备氨三硼烷,Nh(3)B(3)H(7) (1).Nh(3)B(3)H(7) 和 Nh(3)B(3)H(7) X 18-Crown-6 加合物的 X 射线晶体学测定和 Dft 计算研究表明,虽然计算预测对称单桥氢构象,Nh(3)B(3)H(7) 在固态中具有高度不对称的结构,这是由分子间 Nh(+)...H(-)-B 二氢键相互作用产生的.对其水解反应的研究表明,在加入酸或适当的过渡金属催化剂后,1 的水溶液会迅速释放氢,22 可实现 6.1 材料重量百分比的 H(2) 释放.在室温下,在 5 Wt% Rh/al(2)O(3) (1.1 Mol% Rh) 存在下,1 的 7 Wt% 水溶液.H(2)-释放的速率由催化剂负载和温度控制.
Doi:10.1021/ja808045P

专利信息

专利号:WO-2023036838-A1
优先权日:2021-09-07
标题:Process for preparing starting compounds intended for the synthesis of an ammine metal borohydride
发明人：HAJIYEV PARVIZ; NGUYEN HUYNH DUC
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:Process for preparing a metal hydride of formula AxMHx+m and a borane compound BH3, starting from a product of formula AxM(BNH)x+m, wherein: A is an alkali metal, M is a metal different from an alkali metal, 0 ≤ x ≤10, in particular 0 ≤ x ≤ 2 m>0, the process comprising: aT) reacting the metal hydride of formula AxM(BNH)x+m with ammonia such as obtain an ammoniated product of formula AxM(NH2)x+m and a hydrogenated boron nitride compound BNH, a' 2) the hydrogenation of the ammoniated product of formula AxM(NH2)x+m such as to obtain an metal hydride of formula AxMHx+m, the process further comprising the separation of the hydrogenated boron nitride compound BNH from the ammoniated product of formula AxM(NH2)x+m before step a' 2) or from the metal hydride of formula AxMHx+m after step a' 2), and b) the synthesis of the borane compound BH3, from the hydrogenated boron nitride compound BNH, the synthesis comprising: - a digestion reaction of the boron nitride compound BNH in a gaseous atmosphere containing, even consisting in, an anhydrous hydrogen halide acid gas comprising at least one halogen element Y, such as to produce a boron halide BY3, Y being preferably chlorine Cl, - a hydrodehalogenation of the boron halide, in a hydrogen gas atmosphere to obtain the borane compound BH3.

专利号:WO-2023036831-A1
优先权日:2021-09-07
标 题:Process for preparing starting compounds intended for the synthesis of an ammine metal borohydride
发明人：HAJIYEV PARVIZ; NGUYEN HUYNH DUC
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:Process for preparing a metal hydride of formula AxMHx+m and a borane compound BH3, starting from a product of formula AxM(BNH)x+m, wherein: A is an alkali metal, M is a metal different from an alkali metal, 0 ≤ x ≤10, in particular 0 ≤ x ≤ 2 m>0, the process comprising: a) contacting the product of formula AxM(BNH)x+m with a catalyst comprising a transition metal in solution in an aprotic polar solvent, such as to separate the metal hydride of formula AxMHx+m and a hydrogenated boron nitride compound BNH, b) the synthesis of the borane compound BH3, from the hydrogenated boron nitride compound BNH, the synthesis comprising: - a digestion reaction of the boron nitride compound BNH in a gaseous atmosphere containing, even consisting in, an anhydrous hydrogen halide acid gas comprising at least one halogen element Y, such as to produce a boron halide BY3, Y being preferably chlorine Cl, - a hydrodehalogenation of the boron halide, in a hydrogen gas atmosphere to obtain the borane compound BH3.

专利号:US-2005148781-A1
优先权日:2003-10-31
标题 :Process for the asymmetric synthesis of dihydrobenzoxathins
发明人：SONG ZHIGUO J; WATERS MARJORIE S
摘要:This invention relates to an asymmetric synthesis of sulfides via a chiral sulfoxide directed stereospecific reduction of α,β-unsaturated sulfoxide to the saturated sulfide. These sulfides can be useful as selective estrogen receptor modulators or anti-neoplastic agents.

专利号:US-2014255328-A1
优先权日:2013-03-11
标 题:Hydrothermal Synthesis of Zinc Phlogopite
发明人：MCGUIRE MEAGHAN CLARK; BULL IVOR; JOHNSON GEOFFREY MARK
权利人:BASF SE
摘要:This invention relates to a synthetically derived zinc phlogopite platelets, of superior platelet diameter, effect pigments comprising such synthetically derived platelets and methods of forming said substrates. More specifically the disclosure describes an improved hydrothermal synthesis of zinc phlogopite suitable as a platelets for interference pigments, barrier and flame retardant applications.

专利号:US-4861892-A
优先权日:1988-02-12
标题:Method for synthesis of deoxymannojirimycin
发明人：FLEET GEORGE W J
权利人:SEARLE & CO
摘要:A method is disclosed for the chemical synthesis of 1,5-dideoxy-1,5-imino-D-mannitol or 1,5-dideoxy-1,5-imino-L-mannitol from, respectively, 2,3-O-isopropylidene-L-gulono-γ-lactone or 2,3-O-isopropylidene-D-gulono-γ-lactone which comprises carrying out interconversion between the L-gulono and D-mannono forms or between the D-gulono and L-mannono forms, respectively, and connecting of C-1 to C-5 by nitrogen.

专利号:US-6875866-B2
优先权日:2002-02-21
标题:Process for synthesis of D1 receptor antagonists
发明人：DAHANUKAR VILAS H; ECKERT JEFFREY M; GALA DINESH; LUCAS BRIAN; SCHUMACHER DORIS P; ZAVIALOV ILIA
权利人:SCHERING CORP
摘要:In one embodiment, the present invention describes the synthesis of a compound of formula n n nand intermediates therefor.