1) ultrasonic irradiation and phase transfer catalysis
超声波辐射与相转移催化
2) ultrasonic irradiation and phase transfer catalyst
超声波与相转移催化
3) ultrasonic irradiation
超声波辐射
1.
Influence of ultrasonic irradiation on ammonia leaching of zinc from low-grade oxide zinc ore
超声波辐射对低品位氧化锌矿氨浸行为的影响
2.
The residue was oxidized with NaOCl aqueous solution under ultrasonic irradiation.
在超声波辐射条件下用次氯酸钠水溶液氧化所得的萃余煤,用GC/MS对从反应混合物分离所得的水溶液中的苯可溶物进行了分析。
3.
A one-pot synthesis of 2,5-disubstituted-1,3,4-thiadiazoles 7a~7g and N-substituted dihy- drazides 8a~8i was performed by the reaction of 4-methyl phenoxyacetyl chloride 4 with ammonium thio- cyanate under ultrasonic irradiation and solid-liquid phase transfer catalysis,and subsequent irradiation in the presence of N-arylglycine hydrazides 2.
采用超声波辐射与相转移催化联用技术,4-甲基苯氧乙酰氯(4)和硫氰酸铵反应得到中间体芳氧乙酰基异硫氰酸酯5,不经分离直接与芳氨基乙酰肼2反应,一锅法制得了7个新的2,5-二取代-1,3,4-噻二唑7a~7g和9个新的N-取代二酰肼8a~8i,并利用IR,~1H NMR,~(13)C NMR,MS谱和元素分析对其结构进行了表征。
4) ultrasonic radiation
超声波辐射
1.
Chitosan was grafted with salicylaldehyde under ultrasonic radiation.
以壳聚糖和水杨醛为原料,采用超声波辐射技术制备了水杨醛接枝壳聚糖,并用红外光谱对产物的结构进行了表征,同时研究了接枝壳聚糖的吸附性能。
2.
Chitosan was grafted with vanillin in the ethanol under ultrasonic radiation.
以壳聚糖和香草醛为原料,乙醇为溶剂,采用超声波辐射技术制备了香草醛接枝壳聚糖,用红外光谱对产物的结构进行了表征,同时研究了接枝壳聚糖的吸附性能。
3.
The application of ultrasonic radiation and polar aprotic solvent in the synthesis of dialkyl thiourea with NH_2C(=S)NH_2 and RBr was studied in this paper for the first time.
本文首次报道了超声波辐射和极性非质子溶剂在硫脲与溴代烷反应合成二烃基硫脲中的应用。
5) ultrasound irradiation
超声波辐射
1.
The p-nitro-ethyl benzoate is synthesized by the reaction of nitrogenous acid with methyl alcohol in catalysis of sodium bisulfate monohydrate under ultrasound irradiation.
在超声波辐射下,以对硝基苯甲酸、乙醇为原料,NaHSO4。
2.
O-(hydroxyl isopropy1)chitosan is synthesized via 10% tetramethylammonium hydroxide catalyzed reaction of 1,2-epoxypropane with chitosan assisted with ultrasound irradiation.
在超声波辐射下,以环氧丙烷为改性剂,10%四甲基氢氧化铵为催化剂合成羟丙基壳聚糖。
3.
Synthesis of 2,2,4-trimethyl-2,3-dihydro-1H-1,5-benzodiazepine under ultrasound irradiation;
在超声波辐射下,以邻苯二胺和丙酮为原料,合成了对2,2,4-三甲基-2,3-二氢-1H-1,5-苯并二嗪。
补充资料:辐射催化
分子式:
CAS号:
性质:在电离辐射作用下,单质及化合物的分子被射线电离和激发,生成高能量的离子和自由基,在催化剂作用下,引起化学反应,形成新的有机物的过程,称为辐射催化。其特点是:(1)反应一般按链过程进行;(2)反应不需经过中间步骤,收率高,副产物少;(3)工艺简单。
CAS号:
性质:在电离辐射作用下,单质及化合物的分子被射线电离和激发,生成高能量的离子和自由基,在催化剂作用下,引起化学反应,形成新的有机物的过程,称为辐射催化。其特点是:(1)反应一般按链过程进行;(2)反应不需经过中间步骤,收率高,副产物少;(3)工艺简单。
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