1) 3,4-dihydroxybenzaldehyde
3,4二羟基苯甲醛
2) 3,4-dihydroxy benzaldehyde
3,4-二羟基苯甲醛
1.
Synthesis of 3,4-dihydroxybenzaldehyde by air-catalytic oxidation;
空气催化氧化合成3,4-二羟基苯甲醛
2.
Methods Starting from 3,4-dihydroxybenzaldehyde,dl-tanshinol was synthesized by benzyl protection,Dazens reaction,Lewis acid selective ring opening,NaBH4 reduction,hydrolysis and hydrogenation.
方法以3,4-二羟基苯甲醛为起始原料,经过苄基保护、Darzens反应、Lewis酸选择性开环、NaBH4还原、水解、氢化6步反应得到丹参素。
3) 3-Nitro-4,5-dihydroxybenzaldehyde
3,4-二羟基-5-硝基苯甲醛
4) 3,4-dimethylbenzaldehyde
3,4-二甲基苯甲醛
1.
Studies on the Reaction Mechanism of CO-carbonylating Synthesis of 3,4-dimethylbenzaldehyde;
CO羰基化合成3,4-二甲基苯甲醛的反应机理研究
2.
The synthetic route and reaction mechanism of 3,4-dimethylbenzaldehyde were also introduced.
叙述了3,4-二甲基苯甲醛国内外合成技术状况及各合成路线的对比,介绍了以邻二甲苯、CO、HCl为原料,以1,2-二氯乙烷为溶剂,Lewis酸为催化剂进行甲酰化反应的比较理想的合成方法和工艺流程,取物料配比为m(邻二甲苯)∶m(AlCl3)∶m(Cu2Cl2)∶m(二氯乙烷)=1∶1。
3.
5 MPa,the formylation reaction for 6 h below-5℃,the carbonylation reaction for 50 min at-5~0℃,3,4-dimethylbenzaldehyde with a high purity above 98.
0%的3,4-二甲基苯甲醛。
5) 3,4-dimethyl-benzeneacetaldehyd
3,4-二甲基苯乙醛
6) 5-Hydroxy vanillin
3,4-二羟基-5-甲氧基苯甲醛
补充资料:2,4-二羟基苯甲醛
分子式:C7H6O3
分子量:138.1226
CAS号:95-01-2
性质:暂无
制备方法:暂无
用途:暂无
分子量:138.1226
CAS号:95-01-2
性质:暂无
制备方法:暂无
用途:暂无
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