Downstream synthetic route of 52010-22-7

52010-22-7 4-Chlorophthalide 3040300, abenzofuran compound, is more and more widely used in various fields.

52010-22-7, 4-Chlorophthalide is a benzofuran compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,52010-22-7

(a) 3-bromo-4-chloroisobenzofuran-1(3H)-one (100) 4-chloroisobenzofuran-1(3H)-one (10 g, 59.32 mmol), (E)-2,2′-(diazene-1,2-diyl)bis(2-methylpropanenitrile) (0.974 g, 5.93 mmol) and 1-bromopyrrolidine-2,5-dione (11.61 g, 65.25 mmol) were dissolved CCl4 (100 mL) and heated at reflux for 2 hours. The reaction was cooled and filtered, the filtrate was evaporated to the desired compound as a yellow gum (14.20 g, 97% yield); 1H NMR (400.132 MHz, CDCl3) delta 7.32 (1H, s), 7.61 (1H, t), 7.73 (1H, d), 7.88 (1H, d); m/z (LC-MS, ESI+), RT=2.28 (M+H not detected).

52010-22-7 4-Chlorophthalide 3040300, abenzofuran compound, is more and more widely used in various fields.

Reference£º
Patent; MENEAR, Keith Allan; Javaid, Muhammad Hashim; Gomez, Sylvie; Hummersone, Marc Geoffrey; Lence, Carlos Fenandez; Martin, Niall Morrison Barr; Rudge, David Alan; Roberts, Craig Anthony; Blades, Kevin; US2009/192156; (2009); A1;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem