Some tips on 57684-71-6

57684-71-6 3-(Chloromethyl)isoxazole 4913025, aIsoxazoles compound, is more and more widely used in various fields.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.57684-71-6,3-(Chloromethyl)isoxazole,as a common compound, the synthetic route is as follows.

57684-71-6, (c) 3-Diethylphosphonomethyl isoxazole 3-Chloromethyl isoxazole (1.41 g, 12 mmol) and triethylphosphite (3.13 ml, 18 mmol) were heated at 140 C. for 1 h. Distillation (short path) yielded the phosphonate (390 mg, 1.78 mmol, 15%); bp 110-120 C. at 0.7 mm Hg; deltaH (CDCl3) 1.30 (6H, t, J 7 Hz, OCH2 CH3), 3.30 (2H, d, JP-H 22 Hz, CH2 –P), 4.10 (4H, m, OCH2 CH3), 6.40 (1H, s, CH-4), 8.35 (1H, s, CH-5).

57684-71-6 3-(Chloromethyl)isoxazole 4913025, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Patent; Beecham Group p.l.c.; US4812470; (1989); A;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem