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2-{[(4-Hydroxy-3,5-dimethoxyphenyl)methylidene]hydrazinylidene}-4-oxo-1,3-thiazolidin-5-yl Acetic Acid
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Department of Chemistry, Sri Dharmasthala Manjunatheshwara College (Autonomous), Ujire-574240, Karnataka, India
Department Studies and Research in Organic Chemistry, Tumkur University, Tumkur-572103, Karnataka, India
Department of Chemistry, Shridevi Post Graduate Centre, Sira Road, Tumkur-52106, Karnataka, India
Author to whom correspondence should be addressed.
Molbank 2018, 2018(3), M1011;
Received: 14 July 2018 / Revised: 30 July 2018 / Accepted: 30 July 2018 / Published: 1 August 2018
(This article belongs to the Section Organic Synthesis)
Vilsmeier–Haack reaction of (E)-1-[1-(3,5-difluorophenyl)ethylidene]-2-phenylhydrazine (1) using dimethyl formamide in excess of phosphorus oxychloride by conventional method, resulted in the synthesis of the title compound 3-(3,5-difluorophenyl)-1-phenyl-1H-pyrazole-4- carbaldehyde (2) in good yield and high purity. Structure characterization of the title compound was done by IR, 1H-NMR, 13C-NMR and HRMS spectral analysis. View Full-Text
Keywords: Vilsmeier–Haack; pyrazole; carbaldehyde Vilsmeier–Haack; pyrazole; carbaldehyde
MDPI and ACS Style

Kumar, N.; Sreenivasa, S.; Kumar, V.; Mohan, N.R. 3-(3,5-Difluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde. Molbank 2018, 2018, M1011.

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