1) additive-esterification
加成酯化
1.
The present paper covers the catalyst activity of solid acid AlCl_3, FeCl_3 and Fe_2(SO_4)_3 used in the additive-esterification of carboxylic acids and epoxides, and studies on the orientational selectivity of the reaction.
本文考察了固体酸FeCl_2,AlCl_2,Fe_2(SO_4)_3,在羧酸与环氧化合物加成酯化反应的催化活性,并研究了反应的取向。
2) hydroesterification
加氢酯化
1.
Study on hydroesterification of acetylene with methyl formate;
乙炔和甲酸甲酯的加氢酯化催化剂研究
2.
Preparation of methyl propionate from ethylene and methyl formate by hydroesterification;
甲酸甲酯与乙烯加氢酯化合成丙酸甲酯
3.
The catalytic hydroesterification of acetylene over supported NiO/Al_2O_3 and NiO/SiO_2 catalysts prepared by impregnation and ion-exchange (NiO/Al_2O_3(imp.
) )催化剂上乙炔加氢酯化合成丙烯酸甲酯 (MA)的催化活性和选择性。
4) hydrogenation and methyl esterification
加氢甲酯化
1.
Effects of reaction temperature,pressure,gas hourly space velocity of H2,liquid hourly space velocity of α-furancarboxylic acid and methanol,and feedstock flow rate on hydrogenation and methyl esterification were studied.
以α-呋喃甲酸、甲醇、氢气为原料,Ru-Pd/γ-Al2O3为催化剂,在连续流动固定床微型反应器中α-呋喃甲酸一步加氢甲酯化生成α-四氢呋喃甲酸甲酯。
2.
The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.
以糠酸、甲醇、氢气为原料,采用连续流动固定床微反应器,Pd-Ni/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。
3.
The hydrogenation and methyl esterification of furoic acid over Pd/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor by one-step method.
采用连续流动固定床微反应器,以糠酸、甲醇、氢气为原料,Pd/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。
5) addition-cyclization
加成环化
1.
2-Formyl-3-acetyl-4-methyl-5-carbobenzoxypyrrole(6) was synthesized via the selective oxidation of 2,4-dimethyl-3-acetyl-5-carbobenzoxypyrrole(5),which was produced from acetylacetic benzylester(1) via nitrosation,reduction and addition-cyclization with acetylacetone.
以乙酰乙酸苄酯(1)为原料,经过亚硝化、还原、与乙酰丙酮加成环化生成2,4-二甲基-3-乙酰基-5-苄氧羰基吡咯(5),通过选择性氧化反应制得目标化合物2-甲酰基-3-乙酰基-4-甲基-5-苄氧羰基吡咯(6),反应的总收率约为34%。
补充资料:加成-氧化加成
分子式:
CAS号:
性质: 反应基质分子在配位不饱和的过渡金属络合物上配位,从而使其活化,是进行络合催化反应的必要步骤。配位不饱和的络合物增加配位体的反应称为加成反应。可表示为:L4M+XF←←L4MX(X为CO或烯烃);过渡金属络合物的配位体数和中心金属氧化数同时增加的加成反应,称为氧化加成反应,其反应式可表示为:L4Mn++X-Y←→L4M(n+2)+XY
CAS号:
性质: 反应基质分子在配位不饱和的过渡金属络合物上配位,从而使其活化,是进行络合催化反应的必要步骤。配位不饱和的络合物增加配位体的反应称为加成反应。可表示为:L4M+XF←←L4MX(X为CO或烯烃);过渡金属络合物的配位体数和中心金属氧化数同时增加的加成反应,称为氧化加成反应,其反应式可表示为:L4Mn++X-Y←→L4M(n+2)+XY
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