
1-Bromododecane synthesis
- Product Name:1-Bromododecane
- CAS Number:143-15-7
- Molecular formula:C12H25Br
- Molecular Weight:249.23
Yield:22732-79-2 85 %Spectr. ,143-15-7 15 %Spectr.
Reaction Conditions:
with pyridine;phosphorus tribromide at -10 - 25; for 2 h;
Steps:
Reaction of monoether 8b with PBr3.
Phosphorus tribromide( 4.6 g, 17 mmol) was added dropwise with stirring to a mixture of compound 8b (7.8 g, 34.1 mmol) and anhydrous pyridine (3.0 g,37.5 mmol) at -10 - (-5) °C. After stirring at 20-25 °C for 2 h, the reaction mixture was diluted with benzene (20 mL), a saturated solution of NaHCO3 (20 mL) was added dropwise with stirring, and the organic layer was separated, washed with water (210 mL), dried with Na2SO4, and evaporated in vacuo. According to the data of the 1H NMR spectra (CDCl3), the residue contains a mixture of dodecyl bromide (1.4 g, 15%) and 2-dodecyloxyethyl bromide (7.9 g, 85%).
References:
Kharlamov;Artyushin;Bondarenko [Russian Chemical Bulletin,2014,vol. 63,# 11,p. 2445 - 2454][Izv. Akad. Nauk, Ser. Khim.,2014,# 11,p. 2445 - 2454]

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