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ChemicalBook CAS DataBase List 7-CHLORO-3-HYDROXY-3H-ISOBENZOFURAN-1-ONE

7-CHLORO-3-HYDROXY-3H-ISOBENZOFURAN-1-ONE synthesis

8synthesis methods
-

Yield:70097-44-8 28%

Reaction Conditions:

Stage #1: 1,1-dimethoxy-1-(3-chlorophenyl)methanewith sec.-butyllithium in tetrahydrofuran;hexane at -70; for 0.5 h;
Stage #2: carbon dioxide in tetrahydrofuran;hexane at -70 - 20;
Stage #3: with hydrogenchloride in tetrahydrofuran;hexane;water;

References:

Wang, Wei;Cha, Xue-Xiang;Reiner, John;Gao, Yuan;Qiao, Hai-Ling;Shen, Jia-Xiang;Chang, Jun-Biao [European Journal of Medicinal Chemistry,2010,vol. 45,# 5,p. 1941 - 1946] Location in patent:experimental part