4-Functionally-substituted 3-heterylpyrazoles: XVI. 3-(3-Arylpyrazol-4-yl)propyonic acids
摘要:
Bromination of 3-(3-arylpyrazol-4-yl)acrylic acids led to the formation of 2-bromo-3-(3-arylpyrazol-4yl)acrylic acids that were converted into 3-(3-arylpyrazol-4-yl)propynoic acids by treatment of potassium hydroxide with an alcoholic solution.
Microwave‐Assisted Synthesis of 3‐(4‐Pyrazolyl)propenoic Acids
作者:Vitaliy O. Chornous、Mykhaylo K. Bratenko、Mykhaylo V. Vovk
DOI:10.1081/scc-120027241
日期:2004.12.31
Under microwave activation, pyrazole-4-carboxaldehydes react with malonic acid in the presence of a small amount of pyridine to give 3-(4-pyrazolyl)propenoic acids in high yields.
4-Functionally-substituted 3-heterylpyrazoles: XVI. 3-(3-Arylpyrazol-4-yl)propyonic acids
作者:M. K. Bratenko、V. A. Chornous、M. V. Vovk
DOI:10.1134/s1070428006050095
日期:2006.5
Bromination of 3-(3-arylpyrazol-4-yl)acrylic acids led to the formation of 2-bromo-3-(3-arylpyrazol-4yl)acrylic acids that were converted into 3-(3-arylpyrazol-4-yl)propynoic acids by treatment of potassium hydroxide with an alcoholic solution.