ChemicalBook--->CAS DataBase List--->1928-76-3

1928-76-3

1928-76-3 Structure

1928-76-3 Structure
IdentificationBack Directory
[Name]

9-BENZYL-6-CHLORO-9H-PURINE
[CAS]

1928-76-3
[Synonyms]

6-CHLORO-9-BENZYLPURINE
9-Benyl-6-chloro-9H-purine
9-(benzyl)-6-chloro-purine
9-BENZYL-6-CHLORO-9H-PURINE
6-chloro-9-(phenylmethyl)purine
[Molecular Formula]

C12H9ClN4
[MDL Number]

MFCD00127805
[MOL File]

1928-76-3.mol
[Molecular Weight]

244.68
Chemical PropertiesBack Directory
[Appearance]

Off-White Solid
[Melting point ]

86-87°C
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Solid
[color ]

Off-White
Hazard InformationBack Directory
[Chemical Properties]

Off-White Solid
[Uses]

A useful intermediate in the synthesis of 1-substituted adenines
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 34, p. 1170, 1969 DOI: 10.1021/jo01256a103
[Synthesis]

Benzyl bromide

100-39-0

6-Chloropurine

87-42-3

9-BENZYL-6-CHLORO-9H-PURINE

1928-76-3

GENERAL STEPS: Benzyl bromide (0.052 mL, 0.6 mmol) was added to a mixture of 6-chloropurine (0.056 g, 0.5 mmol) and sodium hydroxide (0.014 g, 0.6 mmol) in deionized water (2 mL). The reaction mixture was placed in a microwave reactor and irradiated at 0-400 W power (internal temperature maintained at 100 °C) for 10 min. Upon completion of the reaction, the mixture was concentrated under reduced pressure to remove the solvent and the residue was purified by column chromatography using ethyl acetate-cyclohexane (9:1, v/v) as eluent to give 9-benzyl-6-chloro-9H-purine in 82% yield.

[References]

[1] Nucleosides, Nucleotides and Nucleic Acids, 2016, vol. 35, # 2, p. 76 - 82
[2] European Journal of Medicinal Chemistry, 2004, vol. 39, # 5, p. 433 - 447
[3] Journal of Medicinal Chemistry, 1988, vol. 31, # 3, p. 606 - 612
[4] Tetrahedron Letters, 2014, vol. 55, # 18, p. 2929 - 2931
[5] Dalton Transactions, 2014, vol. 43, # 26, p. 9838 - 9842
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302
[Precautionary statements ]

P280-P305+P351+P338
[Hazard Codes ]

Xn
[Risk Statements ]

22
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