1) nitrobenzaldehyde
硝基苯甲醛
1.
o-Aminobenzaldehyde in high yield of 86% can be obtained from o-nitrobenzaldehyde with iron powder as the reducer,acetic acid and ethanol as the solvent.
用乙酸和乙醇做溶剂,铁粉做还原剂还原邻硝基苯甲醛得到了邻氨基苯甲醛,产率高达86%。
2.
The chromatographic behavior of the isomers of nitrobenzaldehyde tested by HPLC was studied.
考查了硝基苯甲醛的三种异构体在不同分析条件下的色谱行为,选择在硅胶柱上以异辛烷/异丙醇(100/0。
3.
This paper describes the separation and determination of Nitrobenzaldehyde by PEG—20M packed column CC.
本文拟用PEG—20M作为固定液分离和测定硝基苯甲醛的位置异构体,讨论了柱、溶剂和内标物的选择。
2) 3-nitrobenzaldehyde
间硝基苯甲醛
1.
The intermediate 3-(5,5-dimethyl-2-oxo-1,3,2-dioxaphorinane-2-yl)-4-(3-nitro-phenyl)-but-3-en-2-one(9) was obtained by using 2,2-dimethyl-1,3-propanediol and 3-nitrobenzaldehyde as starting material in 4 steps reaction.
方法以苯胺为原料,经4步反应制得中间体3-氨基-2-丁烯酸-2-(N-苄基-N-苯基)-氨基乙酯(5);以新戊二醇和间硝基苯甲醛为原料,经过4步反应制得中间体3-(5,5-二甲基-2-氧代-2-[1,3,2]二氧杂磷杂环己基)-4-(3-硝基苯基)-丁-3-烯-2-酮(9);中间体5和9经环合、成盐反应制得盐酸依福地平。
2.
The yield and purity of 3-nitrobenzaldehyde was 30.
以间硝基甲苯为原料,以AIBN(偶氮二异丁腈)为催化剂合成间硝基苯甲醛。
3.
In the presence of catalytic amount of hydrochloric acid, the Mannich reaction of 3-nitrobenzaldehyde (3-Chlorobenzaldehyde), aromatic amines and aromatic ketones can take place directly at 20 - 25℃.
间硝基苯甲醛或间氯苯甲醛与芳香胺和芳香酮在20～25℃和催化量的浓盐酸催化下能直接进行Mannich反应,用一步合成法合成15个1-芳基-3-芳胺基(3-硝基苯基)丙酮。
3) m-nitrobenzaldehyde
间硝基苯甲醛
1.
Study on new synthesis of m-Nitrobenzaldehyde;
间硝基苯甲醛合成新工艺的研究
2.
8% yield (based on consumed C60) are: 1∶1∶2 of molar ratio of C60, m-nitrobenzaldehyde and N-methylglycine, 100 ℃ of reaction temperature, 16 h of reaction time.
利用Prato反应合成分离出了新型含硝基富勒烯吡咯烷衍生物1,并对其工艺条件进行了研究,探讨了反应物计量比、温度及时间对产物1产率的影响,得到了合成产物1的最佳工艺条件:C60,间硝基苯甲醛和N-甲基甘氨酸的物质的量比为1∶1∶2,温度为100℃,反应时间为16h,此时产物1产率达到94。
3.
The effect of adding order, ratio of m-nitrobenzaldehyde to 2-methoxyethyl acetoacetate, the condensing temperature and time on the yield of the title compound were also investigated.
对加料顺序、投料比、反应温度、反应时间等因素对标题化合物收率的影响进行了研究 ,结果表明 ,其最佳条件为先加间硝基苯甲醛和乙酰乙酸 2 -甲氧乙酯 ,后加催化剂浓硫酸 ,间硝基苯甲醛和乙酰乙酸 2 -甲氧乙酯物质的量之比为 1∶ 1 。
4) o-nitrobenzaldehyde
邻硝基苯甲醛
1.
Novel green synthesis of o-nitrobenzaldehyde by oxidation of o-nitrotoluene with metal porphyrins as biomimetic catalysts;
金属卟啉仿生催化氧化邻硝基甲苯绿色合成邻硝基苯甲醛
2.
Summary of the methods of preparing o-nitrobenzaldehyde;
邻硝基苯甲醛合成方法概述
3.
Synthesis of o-nitrobenzaldehyde by indirect electrolytic oxidation;
间接电解氧化合成邻硝基苯甲醛的研究
5) 2-nitrobenzaldehyde
2-硝基苯甲醛
1.
The derivatization mechanisms,the sensitivities and stabilities of the derivatives of 4 nitrofuran metabolites derivatised with 2 reagents,2-chlorobenzaldehyde and 2-nitrobenzaldehyde,with derivatisation time of 2 and 16 hours were studied,respectively,by a UPLC-MS/MS system to develop a quick analytical method for aquatic products.
质谱扫描结果表明,衍生剂2-氯苯甲醛和2-硝基苯甲醛对4种硝基呋喃代谢物的衍生化反应遵循相同的亲核加成反应机理;方差分析结果表明,同一衍生剂和同一代谢物,快速衍生化2 h和连续衍生化16 h获得的衍生产物的检测灵敏度没有显著差别;所有快速衍生物检测灵敏度连续4 d保持相对稳定。
2.
2-Nitrotoluene was oxidized to 2-nitrobenzaldehyde in basic solutions in 52% selectivity with 79% conversion.
碱性条件下，用氧气在吗啡啉中氧化2-硝基甲苯生成2-硝基苯甲醛，转化率79％，生成2-硝基苯甲醛的选择性52％。
6) p-nitrobenzaldehyde
对硝基苯甲醛
1.
Oxidation of p-nitrobenzaldehyde to p-nitrobenzoic acid with hydrogen peroxide
H_2O_2氧化对硝基苯甲醛制备对硝基苯甲酸
2.
Solid-state synthesis of Schiff base derived from p-nitrobenzaldehyde and p-aminobenzoic acid at supersonic speed airflow and low-heating temperature
超音速气流低热固相反应合成对硝基苯甲醛缩对氨基苯甲酸Schiff碱
3.
p-Nitrobenzoic acid(PNBA),p-nitrobenzaldehyde(TNBD),oxidation products of p-nitrotoluene were determined by reversed-phase high performance liquid chromatography on a Zrobax C-18 column with methyl alcohol,phosphate buffer as mobile phase and UV detection at 254 nm.
采用反相高效液相色谱法分析对硝基甲苯液相氧化产物中的对硝基苯甲酸和对硝基苯甲醛。
补充资料：硝基苯甲醛
分子式：
CAS号：
性质：有邻位、间体、对位三种异构体。邻位体，熔点46℃，沸点153℃(3.066kPa)。易随水蒸气挥发。间位体，淡黄色结晶粉末，熔点56～57℃，沸点164℃(3.066kPa)，能与水蒸气一起挥发。对位体，白色或淡黄色晶体，熔点107.1℃，能升华。他们都难溶于水，易溶于醇、醚、苯及一般有机溶剂。间位体可溶于稀碱中。由苯甲醛直接硝化得到80％的间位体及20％的邻位体，利用二者与亚硫酸钠反应的差别分离得到邻位及间位异构体。对位体由对硝基甲苯用铬酐(CrO3)在醋酸中氧化而得。用作生产染料、医药及有机合成的中间体。
CAS号：
性质：有邻位、间体、对位三种异构体。邻位体，熔点46℃，沸点153℃(3.066kPa)。易随水蒸气挥发。间位体，淡黄色结晶粉末，熔点56～57℃，沸点164℃(3.066kPa)，能与水蒸气一起挥发。对位体，白色或淡黄色晶体，熔点107.1℃，能升华。他们都难溶于水，易溶于醇、醚、苯及一般有机溶剂。间位体可溶于稀碱中。由苯甲醛直接硝化得到80％的间位体及20％的邻位体，利用二者与亚硫酸钠反应的差别分离得到邻位及间位异构体。对位体由对硝基甲苯用铬酐(CrO3)在醋酸中氧化而得。用作生产染料、医药及有机合成的中间体。
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