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《Journal of Jilin University》 1992-01
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Cyclization of β-Aroylpropionic Acid and Its Reaction with Thiazolidine-2-Thione

Li Yezhi, Wang Zhongren, Huang Huamin and Zhang Suobo (Department of Chemistry, Jilin University, Changchun)  
In the presence of ketene as a condensing agent, 5-arylfuran-2 (3H)-ones (2a~e) were obtained from β-aroylpropionic acids (la~c) in good yields and N-aroylpropionylthiazolidine-2-thiones (3a~c) were prepared from reaction of β-aroylpropionic acids (la~c) with thiazolidine-2-thione in the presence of triethylamine.
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