5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile

5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Suppliers list
Company Name: Acorn PharmaTech Co., Ltd.  
Tel: 025-58395930
Email: sales@acornpharma.com
Company Name: Shanghai T&W Pharmaceutical Co., Ltd.  
Tel: +86 21 61551611
Email:
Company Name: Shanghai Aladdin Bio-Chem Technology Co.,LTD  
Tel: 400-6206333 13167063860
Email: anhua.mao@aladdin-e.com
Company Name: Chem-Stone Co.,Ltd.  
Tel: 020-82185713,82185709 13418171485
Email: sales@chem-stone.com
Company Name: CEG Chemical Science&Technology Co., Ltd.  
Tel: Mobile:13665161512
Email:
5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Basic information
Product Name:5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile
Synonyms:5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile;5-Amino-4-cyano-1-(2-pyridyl)pyrazole;5-Amino-1-(2-pyridyl)pyrazole-4-carbonitrile;5-Amino-1-(pyridin-2-yl);1H-Pyrazole-4-carbonitrile, 5-amino-1-(2-pyridinyl)-;5-amino-1-pyridin-2-ylpyrazole-4-carbonitrile
CAS:72816-14-9
MF:C9H7N5
MW:185.19
EINECS:
Product Categories:
Mol File:72816-14-9.mol
5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Structure
5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Chemical Properties
density 1.37
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
AppearanceLight brown to brown Solid
Safety Information
HS Code 2933399990
MSDS Information
5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Usage And Synthesis
Synthesis
2-Hydrazinopyridine

4930-98-7

Ethoxymethylenemalononitrile

123-06-8

5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile

72816-14-9

To 2-hydrazinopyridine (3.00 g, 27.5 mmol) and ethoxymethylene malononitrile (3.37 g, 27.5 mmol) in 50 mL of ethanol, triethylamine (3.8 mL, 27.5 mmol) was added. The reaction mixture was heated to reflux for about 3.5 hours. After completion of the reaction, it was cooled to room temperature and the precipitated solid was collected to afford the white solid product 5-amino-1-(2-pyridyl)-1H-pyrazole-4-carbonitrile (4.33 g, 85% yield). The product was characterized by 1H NMR (DMSO-d6): δ 8.46 (dd, 1H), 8.11 (brs, 2H), 8.01 (m, 1H), 7.88 (s, 1H), 7.84 (d, 1H), 7.35 (m, 1H) ppm.

References[1] Patent: WO2004/9597, 2004, A2. Location in patent: Page 21
[2] European Journal of Organic Chemistry, 2018, vol. 2018, # 13, p. 1514 - 1524
[3] Bioorganic and Medicinal Chemistry Letters, 2004, vol. 14, # 9, p. 2121 - 2125
[4] Organic and Biomolecular Chemistry, 2007, vol. 5, # 17, p. 2758 - 2761
[5] Patent: US2007/161662, 2007, A1
5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile Preparation Products And Raw materials
Raw materials2-Hydrazinopyridine-->Ethoxymethylenemalononitrile-->Ethanol-->Triethylamine
Tag:5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carbonitrile(72816-14-9) Related Product Information
1H-Pyrazole-4-carboxylicacid,5-amino-1-(2-pyridinyl)-(9CI) 5-amino-1-(pyridin-2-yl)-1H-pyrazole-4-carboxamide 4-Methyl-1-(pyridin-2-yl)-1H-pyrazol-5-amine 5-amino-1-(5-chloro-2-pyridinyl)-1H-pyrazole-4-carbonitrile 5-Amino-1-(3-amino-2-pyridinyl)-1H-pyrazole-4-carbonitrile 5-amino-1-(6-chloro-2-pyridinyl)-1H-pyrazole-4-carbonitrile