ChemicalBook CAS DataBase List 2-(4-PYRIDYL)-2-PROPANOL

2-(4-PYRIDYL)-2-PROPANOL synthesis

8synthesis methods

Product Name:2-(4-PYRIDYL)-2-PROPANOL
CAS Number:15031-78-4
Molecular formula:C8H11NO
Molecular Weight:137.18

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Yield: 45%

Reaction Conditions:

with methyllithium in tetrahydrofuran;diethyl ether

Steps:

4.a a
a 2-(4-Pyridyl)propan-2-ol A solution of methyllithium (1.4 M; 30 ml, 42 mmol) in diethyl ether was added dropwise to a stirred solution of 4-acetylpyridine (4.65 ml, 42 mmol) in dry THF (100 ml) at -76° C., and the deep blue solution allowed to reach ambient temperature. After 24 hours the mixture was partitioned between ether and saturated aqueous sodium bicarbonate, and the ether phase was concentrated. Chromatography, on elution with ethyl acetate-dichloromethane-triethylamine 60:40:1, gave the title compound (2.59 g, 45%) as an oil. ¹ H-NMR (CDCl₃) δ1.58 (6H, s, CMe₂), 7.40 (2H, d, J 6.2 Hz, Py 3 and 5-H), 8.55 (2H, d, J 6.2 Hz, Py 2 and 6-H); MS m/z 137 (M⁺).

References:

British Technology Group Limited US5595995, 1997, A

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