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HomeProduct name listPyrimidine-5-carboxaldehyde

Pyrimidine-5-carboxaldehyde

Pyrimidine-5-carboxaldehyde Structural

What is Pyrimidine-5-carboxaldehyde?

The Uses of Pyrimidine-5-carboxaldehyde

Pyrimidine-5-carboxaldehyde is used in the preparation of (S)- and (R)-pyrimidyl alkanol by reacting with diisopropylzinc and (n-butyl)ethyl(n-hexyl)(n-propyl)methane.

Synthesis

Under nitrogen, a solution of 5-bromopyrimidine (1 g, 6.3 mmol) in 60 mL anhydrous THF was added BuLi (2.5 M, 2.6 mL, 6.5 mmol) at -78° C. The resulting yellow solution was stirred for 20 min, after which ethyl formate (0.55 mL, 6.7 mmol) was added dropwise over 5 min. After 20 min, the reaction was quenched with 1.5 M THF/HCl solution (4.5 mL, 6.7 mmol). The cold bath was removed, and the reaction mixture was stirred for 1 h. THF was removed in vacco, 10 mL of water was then added. The mixture was extracted with CHCl3 (2*10 mL), and the combined organics were dried (MgSO4) and concentrated. The crude product was purified via flash column chromatography (5 per cent MeOH/CHCl3) to give 0.35 g (51 per cent) of the titled Pyrimidine-5-carboxaldehyde.

Properties of Pyrimidine-5-carboxaldehyde

Melting point: 39-43°C
Boiling point: 80-82°C 4mm
Density  1.23
storage temp.  Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
pka 1.15±0.10(Predicted)
form  solid
color  Light yellow to yellow
InChI InChI=1S/C5H4N2O/c8-3-5-1-6-4-7-2-5/h1-4H
CAS DataBase Reference 10070-92-5(CAS DataBase Reference)

Safety information for Pyrimidine-5-carboxaldehyde

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for Pyrimidine-5-carboxaldehyde

InChIKey FREJAOSUHFGDBW-UHFFFAOYSA-N
SMILES C1=NC=C(C=O)C=N1

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