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YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER

Basic information Safety Supplier Related

YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER Basic information

Product Name:
YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER
Synonyms:
  • YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER
  • 6-Boc-2-amino-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine
  • 2-AMino-7,8-dihydro-5H-pyrido[4,3-d]pyriMidine-6-carboxylic acid tert-butyl ester
  • 2-Amino-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylic acid tert-butyl ester
  • tert-butyl 2-aMino-7,8-dihydro-5H-pyrido[4,3-d]pyriMidine-6-carboxylate
  • 6-Boc-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-2-ylamine
  • PYRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER
  • tert-butyl 2-amino-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate
CAS:
869198-95-8
MF:
C12H18N4O2
MW:
250.3
Product Categories:
  • Heterocycle-Pyrimidine series
Mol File:
869198-95-8.mol
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YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER Chemical Properties

Melting point:
170-172°
Boiling point:
443.7±55.0 °C(Predicted)
Density 
1.231
storage temp. 
2-8°C(protect from light)
pka
4.18±0.20(Predicted)
Appearance
Light yellow to yellow Solid
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Safety Information

HazardClass 
IRRITANT
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YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTER Usage And Synthesis

Synthesis

157327-41-8

869198-95-8

1-Boc-3-[(dimethylamino)methylene]-4-oxopiperidine (7.64 g, 30.04 mmol) was used as starting material and dissolved in methanol (190 mL). To this solution, guanidine carbonate (21.65 g, 120.16 mmol) and sodium acetate trihydrate (32.70 g, 240.32 mmol) were added sequentially. The reaction mixture was heated to reflux and the reaction was continued for 17 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure. The residue was diluted with water and mixed by vortexing for several minutes. The undissolved white solid was collected and washed sequentially with water and a small amount of cold ethyl acetate to give the final pyrido[4,3-d]pyrimidine-6(5H)-carboxylic acid, 2-amino-7-1,8-dihydro-1,1-dimethylethyl ester (4.10 g, 55% yield).

References

[1] Patent: US9296747, 2016, B1. Location in patent: Page/Page column 22
[2] Patent: WO2005/105759, 2005, A1. Location in patent: Page/Page column 81

YRIDO[4,3-D]PYRIMIDINE-6(5H)-CARBOXYLIC ACID, 2-AMINO-7,8-DIHYDRO-, 1,1-DIMETHYLETHYL ESTERSupplier

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