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HomeProduct name listCARBONIC ACID DI-2-PYRIDYL ESTER

CARBONIC ACID DI-2-PYRIDYL ESTER

  • CAS NO.:1659-31-0
  • Empirical Formula: C11H8N2O3
  • Molecular Weight: 216.19
  • MDL number: MFCD00191407
  • EINECS: 213-988-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 15:15:27
CARBONIC ACID DI-2-PYRIDYL ESTER Structural

What is CARBONIC ACID DI-2-PYRIDYL ESTER?

Chemical properties

White to faint yellow crystalline powder

The Uses of CARBONIC ACID DI-2-PYRIDYL ESTER

Di-2-pyridyl carbonate is used as a coupling agent in the esterification of carboxylic acids (e.g. 3-Cyclohexenylcarboxylic acid [C988195]). Di-2-pyridyl carbonate is also used as a reagent to synthesize active carbonates (e.g. benzyl 2-pyridyl carbonate) and carbamates (e.g. 3-Pyridyl diethylcarbamate [P992950]).

Preparation

A solution of phosgene (2.5 m in toluene, 2 mL, 5.0 mmol) was diluted with dichloromethane (8 mL) and then a solution of 2-pyridinol 853 (950 mg, 10 mmol) and triethylamine (1.214 g, 10.2 mmol) in dichloromethane (20 mL) was added at 0 ℃. The reaction mixture was stirred at 0℃ for 1 h, then washed with cold 5% NaHCO3 solution (20 mL) and cold saturated brine (20 mL), dried over MgSO4, and filtered. The filtrate was concentrated to dryness to give di-2-pyridyl carbonate, DPC, 725 (972 mg) in 90% yield. It was recrystallized from dichloromethane/petroleum ether (811 mg, 75%); mp 84–86℃. DPC has also been produced as its hydrochloride salt 877, in a more facile procedure on a larger scale, in 97% yield.

Properties of CARBONIC ACID DI-2-PYRIDYL ESTER

Melting point: 90 °C
Boiling point: 351.6±17.0 °C(Predicted)
Density  1.307
Flash point: 166.438℃
storage temp.  Inert atmosphere,2-8°C
form  powder to crystal
pka 0.63±0.12(Predicted)
color  White to Light yellow
CAS DataBase Reference 1659-31-0(CAS DataBase Reference)

Safety information for CARBONIC ACID DI-2-PYRIDYL ESTER

Computed Descriptors for CARBONIC ACID DI-2-PYRIDYL ESTER

InChIKey GCSAXWHQFYOIFE-UHFFFAOYSA-N

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