5264-35-7, 5-Methoxy-3,4-dihydro-2H-pyrrole is a pyrrolines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
5264-35-7, B. 2,2-dimethyl-5-pyrrolidin-2-ylidene-[1,3]dioxane-4.6-dione. A solution of 5-Methoxy-3,4-dihydro-2H-pyrrole (5.35 g, 54.0 mmol), isopropylidene malonate (7.78 g, 54.0 mmol), triethylamine (1.35 mL, 9.7 mmol) and benzene (55 mL) is refluxed under nitrogen overnight. The reaction is cooled to RT and concentrated and the crude product is recrystallized from EtOH (95 mL) to give the title compound as a white solid (8.13 g, 38.5 mmol). 1H NMR (CDCl3, 300 MHz) .box..box.3.73 (t, 2H), 3.35 (t, 2H), 2.20-2.08 (m, 2H), 1.66 (s, 6H).
As the paragraph descriping shows that 5264-35-7 is playing an increasingly important role.
Reference£º
Patent; Czekaj, Mark; Klein, Scott I; Pauls, Heinz W.; US2003/92698; (2003); A1;,
Pyrroline – Wikipedia
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