4-chlorophenyl propargylketone 在
chromatographic column on silica gel 作用下,
以
乙醚 、 Petroleum ether 为溶剂,
以147.0 mg的产率得到1-(4-chlorophenyl)buta-2,3-dien-1-one
参考文献:
名称:
室温Fe(NO 3)3 ·9H 2 O / TEMPO / NaCl催化的均丙醇的好氧氧化
摘要:
使用的Fe homopropargylic醇的实际和生态友好的有氧氧化(NO 3)3 ·9H 2 O / TEMPO / NaCl的如在大气压下室温催化剂的开发得到对应homopropargylic酮与中度至良好的产率。芳基,杂芳基以及烷基1,2-丙二烯酮类通过柱层析后处理在硅胶上相应的端子homopropargylic酮的异构化获得的。
6-Aryl-1 or 2H,4H-pyrazolo[4,3-d](2)-benzazepines, e.g. those of the formula ##SPC1## R = h or alkyl R.sup.o = H, alkyl, (HO, alkoxy, amino)-alkyl, aralkyl or aryl R' = h, oh or alkyl R" = h, alkyl, alkoxy, halo or CF.sub.3 5,6-dihydro- or 5-alkyl-5,6-dihydro-derivatives, N-oxides, acyl derivatives or therapeutically useful acid addition salts thereof exhibit antianxiety and antidepressant effects.
Formal metal-free γ-arylation of 1,3-dicarbonyl compounds <i>via</i> an isomerisation/1,4-addition/[3,3]-sigmatropic rearrangement sequence
作者:Shi-Chao Lu、Fu-Qiang Wen、Xi-Dong Guan
DOI:10.1039/d1gc02856a
日期:——
metal-free redox arylation of alkynes with sulfoxides has been developed to provide unconventional access to diverse γ-arylated 1,3-dicarbonyl compounds in an atom-economical manner. Mechanistic studies suggest that a conjugated allenone intermediate was generated in situ, which solves the problem of reactivity and regioselectivity of unsymmetrical dialkyl-substituted internalalkynes and enables the functionalisation