With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.453-20-3,3-Hydroxytetrahydrofuran,as a common compound, the synthetic route is as follows.
Step 1. 4-tert-Butyl-1-(3-tetrahydrofuranyloxy)-2-nitrobenzene To a solution of 4-tert-butyl-2-nitrophenol (1.05 g, 5.4 mmol) in anh THF (25 mL) was added 3-hydroxytetrahydrofuran (0.47 g, 5.4 mmol) and triphenylphosphine (1.55 g, 5.9 mmol) followed by diethyl azodicarboxylate (0.93 ml, 5.9 mmol) and the mixture was allowed to stir at room temp. for 4 h. The resulting mixture was diluted with Et2O (50 mL) and washed with a saturated NH4Cl solution (50 mL) and a saturated NaCl solution (50 mL), dried (MgSO4), and concentrated under reduced pressure. The residue was purified by flash chromatography (30% EtOAc/70% hexane) to yield the desired ether as a yellow solid (1.3 g, 91%): 1H-NMR (CHCl3) delta 1.30 (s, 9H), 2.18-2.24 (m, 2H), 3.91-4.09 (m, 4H), 5.00-5.02 (m, 1H), 6.93 (d, J=8.8 Hz, 1H), 7.52 (dd, J=2.6, 8.8 Hz, 1H), 7.81 (d, J=2.6 Hz, 1H).
453-20-3, As the paragraph descriping shows that 453-20-3 is playing an increasingly important role.
Reference£º
Patent; Dumas, Jacques; Miller, Scott; Osterhout, Martin; Khire, Uday; Lowinger, Timothy B.; Riedl, Bernd; Scott, William J.; Smith, Roger A.; Wood, Jill E.; Gunn, David; Rodriguez, Martha; Wang, Ming; Turner, Tiffany; Brennan, Catherine; US2008/269265; (2008); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem