The condensation of 3 carbethoxy isoquinol 4 one with carbamidine, amidine, carbamide and sulfocarbamide gave isoquinolo pyrimidine derivatives, respectively and isoquinolo quinoline derivatives were synthesized by the reaction of o aminobenzaldehyde or o aminopiperonal with isoquinol 4 one.

報(bào)道了利用 3 乙氧甲跞毡九访雷钚略谙咭磺基異喹啉 4 酮分別與胍国产欧美AAA√、脒、脲及硫脲類化合物縮合反應(yīng)合成異喹啉并嘧啶衍生物，鄰氨基苯甲醛亚洲乱亚洲乱妇10p、鄰氨基胡椒醛分別與異喹啉 4 酮反應(yīng)合成異喹啉并喹啉化合物。6個(gè)新化合物的結(jié)構(gòu)通過元素分析免费高清黄网站视频在线、紅外光譜亚洲视频精选网站、核磁共振氫譜和質(zhì)譜予以證

In the presence of ethanol- HCl solution, arylamine-HCl and w=37% aqueous formaldehyde solution or the condensation product of arylamine and formaldehyde are directly reacted with ethyl 3-oxo-2-phenylmethylenebutyrate to form l-aryl-2-phenyl-3-carbethoxy-4-piperidone.

2－苯亞甲基－3－丁酮酸乙酯與芳香胺和w＝37％甲醛水溶液或芳胺和甲醛的縮合物在氯化氫－無水乙醇存在下可直接發(fā)生的Mannich反應(yīng)，得到1－對(duì)位取代芳基－2－苯基－3－羰乙氧基－哌啶－4－酮国产亚洲综合无码一区二区91。

The sodium salt condensed with phenyl hydrazine in the acid condition to prepare 1 phenyl 3 carbethoxy 5 pyrazolone.

用此鹽與苯肼在酸性條件下進(jìn)行加成縮合反應(yīng)可制得 1 苯基 3 羧酸乙酯 5 吡唑啉酮18岁未进入黄片。

Sodium diethyl oxalacetate ; \ Claisen condensation ; \ 1 phenyl 3 carbethoxy 5 pyrazolone

鈉代草酰乙酸乙酯； Claisen酯縮合黄色网站免费在线视频大全； 1苯基3羧酸乙酯5吡唑啉酮

Chapter 3: Synthesis of 2-aroyl-l,3,5-triaryl-4-carbethoxy-4-cyanocyclohexanols from chalcones with ethyl cyanoacetate is carried out in excellent yields with KF/basic alumina as catalyst under ultrasound irradiation.

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