ChemicalBook--->CAS DataBase List--->26493-11-8

26493-11-8

26493-11-8 Structure

26493-11-8 Structure
IdentificationBack Directory
[Name]

2-AMINO-6,7-DIHYDROTHIAZOLO[5,4-C]PYRIDIN-4(5H)-ONE
[CAS]

26493-11-8
[Synonyms]

2-AMINO-6,7-DIHYDROTHIAZOLO[5,4-C]PYRIDIN-4(5H)-ONE
Thiazolo[5,4-c]pyridin-4(5H)-one, 2-amino-6,7-dihydro-
2-amino-6,7-dihydro-5H-[1,3]thiazolo[5,4-c]pyridin-4-one
2-Amino-5,6,7,7a-tetrahydro-3aH-thiazolo[5,4-c]pyridin-4-one
[Molecular Formula]

C6H7N3OS
[MDL Number]

MFCD14706760
[MOL File]

26493-11-8.mol
[Molecular Weight]

169.2
Chemical PropertiesBack Directory
[Boiling point ]

559.4±39.0 °C(Predicted)
[density ]

1.487±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Inert atmosphere,Room temperature
[pka]

13.47±0.20(Predicted)
[Appearance]

White to off-white Solid
Spectrum DetailBack Directory
[Spectrum Detail]

2-AMINO-6,7-DIHYDROTHIAZOLO[5,4-C]PYRIDIN-4(5H)-ONE(26493-11-8)1HNMR
Hazard InformationBack Directory
[Synthesis]

2-AMino-4-oxo-6,7-dihydro-4H-thiazolo[5,4-c]pyridine-5-carboxylic acid tert-butyl ester

1312412-88-6

2-AMINO-6,7-DIHYDROTHIAZOLO[5,4-C]PYRIDIN-4(5H)-ONE

26493-11-8

Step i: Deprotection reaction of tert-butyl 2-amino-4-oxo-6,7-dihydrothiazolo[5,4-c]pyridine-5(4H)-carboxylate To a 50 mL round bottom flask was added tert-butyl 2-amino-4-oxo-6,7-dihydrothiazolo[5,4-c]pyridine-5(4H)-carboxylate (0.7 g, 0.0026 mol) and 1,4-dioxane (10 mL). Subsequently, a 1,4-dioxane solution of 4 M hydrochloric acid (10 mL) was added to the same flask. The reaction mixture was stirred at room temperature for 3 hours. After completion of the reaction, the volatile solvent was removed by distillation under reduced pressure to give the crude product. The solid was washed with ether to afford purified 2-amino-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one (0.4 g, 96% yield).LC-MS analysis showed the molecular ion peak of the target compound as 169.9 [M + H]+.

[References]

[1] Patent: WO2015/101928, 2015, A1. Location in patent: Page/Page column 66; 67
[2] Patent: WO2011/73339, 2011, A1. Location in patent: Page/Page column 42
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