Related Products of 1129-30-2, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 1129-30-2, name is 2,6-Diacetylpyridine. This compound has unique chemical properties. The synthetic route is as follows.
A mixture of NaOH (14.7 g, 0.37 mol), hydrazine monohydrate (15 ml) and 2,6-diacetylpyridine (6g, 36.8 mmol) suspended in diethylene glycol (27 ml_) was cautiously heated to 120 C for 16 hours. The mixture was cooled to room temperature and partitioned between H2O and ether. The ether extracts were washed with 1 N NaOH, dried over MgSO4 and concentrated to a clear oil. Flash column chromatography (0% to 15% EtOAc in hexanes) gave the product as a clear oil (2.9 g, 58%). 1H NMR (400 MHz, CDCI3): 5 1.29 (t, J=7.8 Hz, 3 H), 2.80 (d, J=7.8 Hz, 2 H), 6.97 (d, J=2.0 Hz, 2 H), 7.51 (t, J=7.6 Hz, 1 H). 2,6-Diethyl-pyridine has also been prepared as follows:A solution of ethylmagnesium bromide in ethyl ether [prepared from Mg (16.5 g, 0.68 mol) and ethyl bromide (50 mL, 0.68 mol) in 500 ml_ of ether] was added dropwise to a mixture of 2,6-dichloropyridine (50 g, 0.34 mol) and NiCI2(dppp) (1.0 g, 2 mol) in anhydrous ethyl ether(500 mL).at 0 C unde(r N3 atmosphere. After addition, the resulting mixture was stirred,. , ‘ >.,«?, ‘[‘A V ‘ «’ > ‘ambient temperature oveifngh’tj was then heated to reflux for about 3 hours. The suspensiatonwas poured into cushed ice (200 g) and the mixture was saturated with NH4CI. The organic layer was separated and the aqueous phase was extracted with ether (200 mL x 3). The combined organic layers were washed with water, brine, dried over Na2SO4 and concentrated to give the product (41 .1 g, 89%).
According to the analysis of related databases, 1129-30-2, the application of this compound in the production field has become more and more popular.
Reference:
Patent; PFIZER INC.; WO2006/18725; (2006); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem