1) β-hydrogen transfer
β-氢转移
2) hydrogen transfer hydrogenation
氢转移氢化
3) hydrogen transfer
氢转移
1.
Based on the Daqing vacuum gas oil’s reaction on an acid Y zeolite catalyst, hydride transfer and hydrogen transfer were distinguished as two different reaction stages during the catalytic cracking.
基于重质油在酸性Y分子筛催化剂上的反应,区分了负氢离子转移反应和氢转移反应,认为负氢离子转移和氢转移是重质油催化反应过程中的两个不同过程。
2.
Thermal hydrogen transferability of 6 kinds of residual oils as visbreaking feedstocks was determined by using chemical probe technique, by means of which an appropriate blended feed to visbreaking unit could be chosen.
利用化学探针技术测定了6种减粘裂化原料的受热氢转移能力,借此优化减粘裂化原料。
3.
When the original molar ratio of acetophenone,ruthenium complex and KOH was 250∶1∶12,the hydrogen transfer hydrogenation of acetophenone gave 1-phenylethanol with a yield of 98.
以2,6-二[1-(苯基亚胺基)乙基]吡啶与三苯基膦氯化钌的配合物为催化剂,考察了苯乙酮的氢转移氢化反应。
4) transfer dehydrogenation
转移脱氢
1.
Ceria-supported Cu, Ir, and Pd catalysts showed quite promising activity for transfer dehydrogenation of cyclohexanol and 2-octanol to cyclohexanone and 2-octanone, respectively, using styrene as the hydrogen acceptor.
研究了CeO2负载的Cu,Ir和Pd催化剂上的醇转移脱氢反应。
5) transfer hydrogenation
氢转移
1.
Under air atmosphere condition and isopropanol as H-donor,the chiral catalytic activity of M-CS-SiO_2 for the asymmetric transfer hydrogenation of acetophenone was investigated.
在空气氛围下,以异丙醇为氢源,考察了M-CS-S iO2对苯乙酮不对称催化氢转移加氢反应的催化活性。
2.
The asymmetric transfer hydrogenation of two prochiral ketones, acetophenone and 4-methyl-2-pentanone, was catalyzed by Pd-.
以异丙醇作氢源,将Pd-CS/MCM-48用于催化苯乙酮和4-甲基-2-戊酮的不对称氢转移反应,反应在50℃下分别进行4和8h,相应产物(R)-1-苯乙醇和(R)-4-甲基-2-戊醇的对映体过量值(ee)分别为99·0%和82·4%,底物的转化率分别为61·9%和48·7%,催化剂表现出良好的立体选择性。
3.
The detailed catalytic mechanisms on transfer hydrogenation of ketones are explored by employing the representative reaction of 3-pentanone and 2-propanol catalyzed by the.
1、为了深入探讨酮的转移氢化反应机理，我们借助密度泛涵理论的B3LYP方法，用模型化合物IrH_3[(Me_2PC_2H_4)_2NH]，研究了IrH_3[(~1Pr_2PC_2H_4)_2NH]催化下的具有代表性的3-戊酮与2-丙醇的氢转移反应机理。
6) transfer hydrogenation
转移加氢
1.
Macrokinetics formula of catalytic transfer hydrogenation reaction of 3.
研究了3,5-二羟基苯甲酸(DHB)为原料采用催化转移加氢法合成3,5-二氧代环己烷羧酸(DOC)的过程,得到了以5%Pd/C为催化剂、甲酸钠为氢供体的3,5-二羟基苯甲酸转移加氢宏观反应动力学。
2.
1,3-Cyclohexanedione was prepared from resorcinol through transfer hydrogenation with 5%Pd/C as catalyst.
用转移加氢法由间苯二酚合成了1,3-环己二酮。
3.
3,5-Dioxocyclohexanecarboxylic acid was prepared from 3,5-dihydroxybenzoic acid through transfer hydrogenation with Pd/C 〔w(Pd)=5%〕 as catalyst.
以3,5 二羟基苯甲酸为原料,采用Pd/C〔w(Pd)=5%〕催化剂,通过转移加氢法合成了3,5 二氧代环己烷羧酸。
补充资料：β-氢转移
分子式：
CAS号：
性质：含β-氢配位体的过渡金属络合物，如LnMCH2CH2R易发生LnMCH2CH2R→LnM+CH2=CHR反应，反应中β-氢转移到到中心金属上，生成金属氢化物。而碳配位体从金属上解络，这就是β-氢转移反应。一般说，稳定的络合物不应有含β-氢的含碳配位体。
CAS号：
性质：含β-氢配位体的过渡金属络合物，如LnMCH2CH2R易发生LnMCH2CH2R→LnM+CH2=CHR反应，反应中β-氢转移到到中心金属上，生成金属氢化物。而碳配位体从金属上解络，这就是β-氢转移反应。一般说，稳定的络合物不应有含β-氢的含碳配位体。
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