2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine

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Products Intro: Product Name:2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine
CAS:13223-43-3
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CAS:13223-43-3
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CAS:13223-43-3

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2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine Basic information
Product Name:2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine
Synonyms:2-amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine;2-Amino-5,7-Dimethoxy-1,2,4-Triazole-[1,5-A]-Pyrimidine;2-Amino-5,7-Dimethoxy-1,2,4-Tr;[1,2,4]Triazolo[1,5-a]pyrimidin-2-amine,5,7-dimethoxy-;ADTP/2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine;2- amino -5,7- dimethoxy -1,2,4- triazino [1,5-a] pyrimidine;Pyroxsulam Metabolite ADTP;2-Amino-5,7-Dimethoxy-1,2,4-Triazolo[1,5-A]Pyrimidine(Adtp)
CAS:13223-43-3
MF:C7H9N5O2
MW:195.18
EINECS:603-562-0
Product Categories:Heterocycle-Pyrimidine series
Mol File:13223-43-3.mol
2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine Structure
2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine Chemical Properties
density 1.61±0.1 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
pka3.85±0.30(Predicted)
CAS DataBase Reference13223-43-3(CAS DataBase Reference)
EPA Substance Registry System[1,2,4]Triazolo[1,5-a]pyrimidin-2-amine, 5,7-dimethoxy- (13223-43-3)
Safety Information
TSCA TSCA listed
MSDS Information
2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine Usage And Synthesis
Chemical PropertiesWhite solid
Uses5,7-Dimethoxy-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine is a useful research chemical compound used in the preparation of N-(5,7-dimethoxy[1,2,4]triazolo[1,5-a]pyrimidin-2-yl) arylsulfonamides as herbicides.
Synthesis
Carbamic acid, N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]thioxomethyl]-, ethyl ester

102739-44-6

2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine

13223-43-3

The general procedure for the synthesis of 2-amino-5,7-dimethoxy-1,2,4-triazino[1,5-a]pyrimidine from the compound (CAS:102739-44-6) was as follows: 3a (114.5 g, 0.4 mol) and hydroxylamine hydrochloride (40.3 g, 0.58 mol) were dissolved in ethanol (600 mL) and stirred vigorously at 60 °C for 0.5 hours. Subsequently, triethylamine (58.7 g, 0.58 mol) was slowly added dropwise to the reaction mixture. The resulting mixture was refluxed for 5 h. After completion of the reaction, it was cooled to room temperature. The white solid of product 4a was collected by filtration and washed with 200 mL of water to give 71.4 g of product in 91.5% yield.

References[1] Heterocycles, 2016, vol. 92, # 5, p. 829 - 843
[2] Patent: CN105399746, 2016, A. Location in patent: Paragraph 0077-0078
[3] Patent: US2002/111361, 2002, A1
Tag:2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine(13223-43-3) Related Product Information
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