3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE Chemical Properties

Melting point:

185-187 °C

Boiling point:

271℃

Density 

1.26

Flash point:

118℃

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Sparingly), Methanol (Slightly)

form 

Solid

pka

2.83±0.20(Predicted)

color 

Light Yellow

BRN 

3667723

Safety Information

Safety Statements 

22-24/25

WGK Germany 

3

F 

9-23

HS Code 

29339900

MSDS

• Language:English Provider:SigmaAldrich

3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE Usage And Synthesis

Purification Methods

Dissolve it in CHCl3, filter, evaporate, then recrystallise the residue from EtOH/Me2CO (needles) which can be washed with Et2O and dried. It can also be recrystallised from CHCl3/pet ether or CHCl3/hexane. The hydrochloride has m 295-295o (dec, from EtOH or MeOH/Et2O), the hydrobromide has m 299-300o(dec) (from MeOH/Et2O) and the picrate has m 224-226o(corr), m 219-220o from EtOH. [Adams & Pachter J Am Chem Soc 74 4906 1952, Lappin J Org Chem 23 1358 1958, Hurd & Hayao J Am Chem Soc 77 115 1955, Beilstein 24 III/IV 299.]

3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE(5439-14-5)Related Product Information

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