1-(2-Methoxyphenyl)but-3-yn-1-one 在
chromatographic column on silica gel 作用下,
以
乙醚 、 Petroleum ether 为溶剂,
以722.0 mg的产率得到1-(2-methoxyphenyl)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。
Tandem reaction of 3-hydroxyhexa-4,5-allenic esters: a novel access to diversely substituted 2H-pyran-2-ones and indenes
作者:Haiyun Xu、Xinying Zhang、Yan He、Shenghai Guo、Xuesen Fan
DOI:10.1039/c2cc30247k
日期:——
A highly efficient synthesis of diversely substituted 2H-pyran-2-ones and indenes through Brønsted acid promoted tandem reaction of the readily obtainable 3-hydroxyhexa-4,5-allenic esters under extremely mild conditions has been developed.
Room temperature Fe(NO3)3·9H2O/TEMPO/NaCl-catalyzed aerobic oxidation of homopropargylic alcohols
作者:Jinxian Liu、Shengming Ma
DOI:10.1016/j.tet.2013.08.082
日期:2013.11
and eco-friendly aerobicoxidation of homopropargylic alcohols using Fe(NO3)3·9H2O/TEMPO/NaCl as catalysts at roomtemperature under atmospheric pressure was developed affording corresponding homopropargylic ketones with moderate to good yields. Aryl, heteroaryl as well as alkyl 1,2-allenic ketones were obtained by the isomerization of corresponding terminal homopropargylic ketones through column chromatographic
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。
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