1) Raney nickel
Raney镍
1.
Novel fixed-bed Raney nickel catalysts(Ⅰ) Compositions and calcination conditions of alloy extrudates;
新型固定床Raney镍(Ⅰ)成型合金的组成与焙烧条件
2.
Novel fixed-bed Raney nickel catalysts(Ⅱ) Leaching procedures of alloy extrudates;
新型固定床Raney镍(Ⅱ)成型合金的浸取过程
3.
The intrinsic kinetics of catalytic hydrogenation of rosin on Raney nickel was investigated at temperature 423 K to 453 K and under pressure 4 0 MPa to 7 0 MPa.
测定在不同类型搅拌器下高压釜的持气量和反应效果 ,认识到松香在Raney镍上催化加氢反应受到外扩散的严重影响 ,利用加入 2 0 0号溶剂油、改造搅拌器类型、提高搅拌速度的方法消除外扩散 ,使反应处于化学动力学控制区 ,然后采集动力学数据 ,经对 17种可能的反应机理模型进行筛选 ,推测的反应机理为 :松香中的主要成分枞酸分子不吸附 ,枞酸分子与催化剂表面上被吸附的氢原子进行反应 ,氢原子的吸附为控制步骤 ,据此导出其本征动力学方程 。
2) Raney Ni
Raney镍
1.
It was pointed out that the tendency of development in this field was going over from Raney Ni to multiple modified Raney Ni,from multiple modified Raney Ni to loaded noble metal catalysts,from crystal catalysts to amorphous catalysts,there the amorphous hydrogen storage alloy is a potential catalyst for sorbitol preparation.
介绍了葡萄糖加氢生产山梨醇用催化剂的国内外研究现状,提出了催化剂的发展趋势是由Raney镍向多元改性Raney镍发展,由多元Raney镍催化剂向负载型贵金属催化剂发展,由晶态催化剂向非晶态催化剂发展,并指出非晶态储氢合金是一种很有发展潜力的催化剂。
2.
3-Amino-4-methoxy-acetanilide, an important intermediate for disperse azo dyes, was prepared by selective acylation of 2,4-diaminoanisole, which was synthesized by hydrogenation of 2,4-dinitroanisole in the presence of Raney Ni.
以2,4-二硝基氯苯为原料,经甲醇醚化先制得2,4-二硝基苯甲醚,再经Raney镍催化氢化得2,4-二氨基苯甲醚,不分离直接进行选择性酰化,合成出重要分散染料中间体3-氨基-4-甲氧基乙酰苯胺,品质稳定,全程收率大于80％。
3) Raney-Ni
Raney镍
1.
A new method was developed for the preparation of procaine by catalytic hydrogenation in the presence of Raney-Ni.
采用Raney镍催化剂,在二甲苯溶剂中,温度130℃,氢压3MPa,硝基卡因催化加氢制备普鲁卡因。
4) Raney-nickel
Raney-镍
5) Raney nickel catalyst
Raney镍催化剂
1.
Preparation of fixed-bed Raney nickel catalyst for hydrogenation reaction;
可用于固定床加氢的Raney镍催化剂制备方法
6) Raney nickel
Raney Ni
1.
Preparation and characterization of novel fixed-bed Raney nickel catalyst and activity evaluation for benzene hydrogenation;
新型固定床Raney Ni催化剂的制备、表征及苯加氢活性评价
2.
The states of Cu3/2PMo12O40, which was used as a modifier for Raney nickel and Raney cobalt, were investigated by XPS technique.
采用XPS表面分析技术研究了Cu3/2PMo12O40改性Raney Ni和Raney Co的表面状态,结果表明,RaneyNi和Raney Co表面上的Cu3/2PMo12O40分子中的Cu2+和Mo6+发生了很大变化,Cu2+被还原为Cu0,而Mo6+被部分还原为Mo5+和Mo4+。
补充资料：Raney nickel
分子式：Ni(R)
CAS号：
性质：灰黑色粉末。干燥时在空气中易着火，通常保存在水、乙醇或乙醚中。用镍铝合金和氢氧化钠的水溶液反应制取。在有机合成中用作碳碳双键、碳碳叁键、芳香烃的氢化催化剂，以及醛、酮、硝基化合物等的氢化还原催化剂。
CAS号：
性质：灰黑色粉末。干燥时在空气中易着火，通常保存在水、乙醇或乙醚中。用镍铝合金和氢氧化钠的水溶液反应制取。在有机合成中用作碳碳双键、碳碳叁键、芳香烃的氢化催化剂，以及醛、酮、硝基化合物等的氢化还原催化剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条