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Merck
CN

433853

5-氯-3-甲基-1-苯基吡唑-4-甲醛

99%

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经验公式(希尔记法):
C11H9ClN2O
化学文摘社编号:
分子量:
220.65
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
99%
Form:
solid
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产品名称

5-氯-3-甲基-1-苯基吡唑-4-甲醛, 99%

InChI

1S/C11H9ClN2O/c1-8-10(7-15)11(12)14(13-8)9-5-3-2-4-6-9/h2-7H,1H3

SMILES string

Cc1nn(c(Cl)c1C=O)-c2ccccc2

InChI key

DKZPJLZXLKAMDO-UHFFFAOYSA-N

assay

99%

form

solid

mp

145-148 °C (lit.)

functional group

aldehyde
chloro

Application

5-Chloro-3-methyl-1-phenyl-4-pyrazolecarboxaldehyde (5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde) may be employed as starting material for the following syntheses:
  • 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde hydrazone
  • N1-((5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)thiosemicarbazone
  • pyrazole derivatives, which were pharmacologically evaluated for analgesic (tail flick) and anti-inflammatory (based on carrageenan-induced paw edema) activities
  • N′-[(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4- yl)methylene] 2/4-substituted hydrazides

General description

5-Chloro-3-methyl-1-phenyl-4-pyrazolecarboxaldehyde (5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde) can be synthesized from 3-methyl-1-phenyl-1Hpyrazol-5(4H)-one under Vilsmeier-Haack reaction conditions. Knoevenagel condensation of 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde with ethylcyanoacetate at 0°C has been reported to afford ethyl-2-cyano-3-(5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-yl)propionate. It participates in the synthesis of 2-((5-phenoxy-3-methyl-1-phenyl-1H-pyrazol- 4-yl)methylene)hydrazinecarbothiomide derivatives with a potential anticonvulsant property.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

法规信息

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分析证书(COA)

Lot/Batch Number

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New pyrazole derivatives of potential biological activity.
Farghaly A-R, et al.
ARKIVOC (Gainesville, FL, United States), 7, 228-241 (2012)
Convenient Synthesis and Characterization of Pyrazolones and Schiff Bases.
Girisha KS and Kalluraya B.
Synthetic Communications, 42(20), 3097-3102 (2012)
Design and Synthesis of Pyrazolyl Thiosemicarbazones as New Anticonvulsants.
Deng XQ and Song MX.
Bull. Korean Chem. Soc., 35(9), 2733-2733 (2014)
Pharmacological screening for anti-inflammatory, analgesic activity of pyrazolyl derivatives along with molecular docking studies.
Kaushik D, et al.
Medicinal Chemistry Research, 21(11), 3646-3655 (2012)
Darpan Kaushik et al.
European journal of medicinal chemistry, 45(9), 3943-3949 (2010-06-25)
A series of N'-[(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene] 2/4-substituted hydrazides were synthesized using appropriate synthetic route and characterized by elemental analysis and spectral data. The anticonvulsant activity of some of the synthesized compounds were evaluated against maximal electroshock induced seizure (MES) and subcutaneous pentylenetetrazol

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