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- Keywords aromatic aldehydes;hippuric acid;oxazolone;microwave; 芳醛;马尿酸;恶唑酮;微波;
- Keywords aromatic aldehyde;pyranone;trioxanthene;crystal structure; 芳醛;6-甲基-4-羟基-2-吡喃酮;三氧杂蒽;晶体结构;
- Keywords aromatic aldehyde;4-hydroxylcoumarin;benzo[b]pyran;microwave; 芳醛;4-羟基香豆素;苯并吡喃;微波;
- Keywords aromatic aldehyde;1;3-cyclohexadione;microwave irradiation;xanthene; 芳醛;1;3-环己二酮;微波辐射;氧杂蒽;
- Keywords aromatic aldehyde;dimedone;solid phase condensation reaction; 芳香醛;哒咪酮;固相缩合反应;
- Keywords aromatic aldehyde;acetylferrocene;chalcones;microwave irradiation; 乙酰基二茂铁;芳醛;查尔酮;微波辐射;
- The technique is also suitahe to synthesis of other aromatic aldehydes. 该工艺也适用于其它芳香醛的制备。
- Keywords aromatic aldehyde;amine;reductive amination;sodium borohydride;ionic liquids; 芳香醛;胺;还原胺化;硼氢化钠;离子液体;
- Keywords aromatic aldehyde;aromatic ketone;thiosemicarbazide;thiosemicarbazones;ultrasound irradiation;synthesis; 芳香醛;芳香酮;氨基硫脲;缩氨基硫脲;超声辐射;水相合成;
- Keywords aromatic aldehyde;aryloxyacetyl hydrazine;aryloxyacetyl hydrazone;synthesis; 芳醛;芳氧乙酰肼;芳氧乙酰腙;合成;
- As a catalyst for hydrogenation of various substrates,such as nitro compounds, aromatic aldehydes, olifens, and... 这种催化剂稳定性也很高,长时间反应也能保持高活性,钯不脱落。
- Mandelic acid and its analog can be synthesized from aromatic aldehydes and chloroform as raw material with the help of phase transfer catalyst. 以芳香醛和氯仿为原料,经相转移催化反应合成扁桃酸及其类似物。
- The electrooxidation of ceric salts ,the synthesis of aromatic aldehydes and the problems of this method in commercial production are all discussed. 对铈盐电氧化、芳醛的合成及本法工业化中存在的问题进行了讨论。
- Bian, Y. J.; Li, J. T.; Zang, H. J.; Li, T. S. Pinacol coupling of aromatic aldehydes using aluminium under ultrasound irradiation[J].Synth. Commun. 2002, 32(8):1169. 李记太;边延江;刘树明;李同双.;超声辐射下金属锰诱发芳香醛的还原偶联(J)
- After substrate survey, this catalytic system showedmoderate to excellent chiral induction for aromatic aldehydes (70-95%ee) andmoderate chiral induction for aliphatic aldehydes (75%ee). 底物扩展表明,催化体系对芳香醛具有较好的手性诱导力(70-95%25ee),对于脂肪醛也取得了较好的对映选择性(75%25ee)。
- The key step in synthesis procedure: (Z)-4-arylidene-2-phenyl-5(4H)-oxazolones, easily abtained by Erlenmeyer reaction from hippuric acid and aromatic aldehydes, reacted with aryldiazomethane in toluene at r. t. 首先利用Erlenmeyer反应合成了(Z)-2-苯基-4-芳亚甲基?f唑-5-酮;
- The reaction of aromatic aldehydes with sodium bisulfite was incomplete,so that the results was less than standard values,as a result,the method was not suitable to the analysis of aromatic aldehydes. 因芳醛和亚硫酸氢钠反应不完全,使亚硫酸氢钠法测定结果偏低,证明了亚硫酸氢钠法不适用于芳醛的测定。
- Keywords Acidic Ionic Liquid;Aromatic Aldehydes;1;3-Cyclohexanedione; 酸性离子液体;芳香醛;1;3-环己二酮;
- Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation. 目的利用超声技术和水相体系相结合的绿色合成法优化缩氨基硫脲的合成条件,扩展超声技术在有机合成中的应用范围。
- This article reported the synthesis of five new silylaminoalkyl phosphonic acids through the reactions of aromatic aldehyde、amine and phosphorous acid. 采用芳醛、胺及亚磷酸反应的新方法,制备了五种含硅氨基烃基膦酸。