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- W1539173813 abstract "2-Aklylidene-4-arylidene-1, 3-oxathiolan-5-one (III-1a-m) and 2, 4-diarylidene-1, 3-oxathiolan-5-one (III-2a-i) derivatives were synthesized by treating β-aryl-α-mercaptoacrylic acids (I) with alkanoic acid anhydrides (II) or by treating α-acylthio-β-arylacrylic acids (V) with thionyl chloride in dimethylformamide. Basic hydrolysis and methanolysis of III-1 and III-2 in the presence of lithium hydroxide easily occurred to give the corresponding ring-cleaved products, the carboxylic acid (I and II) and the ester (VII and VIII), respectively. The catalytic hydrogenation of the two olefinic bonds of III-2 in the presence of 10% palladium charcoal proceeded easily without ring cleavage to give 1, 3-oxathiolan-5-one (IXa-e) derivatives. The oxidation of III-1 and III-2 with m-chloroperbenzoic acid afforded the corresponding 1, 3-oxathiolan-5-one S-oxide (Xa, b) derivatives." @default.
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- W1539173813 date "1985-01-01" @default.
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- W1539173813 title "Syntheses and chemical properties of novel 1,3-oxathiolan-5-one derivatives." @default.
- W1539173813 doi "https://doi.org/10.1248/cpb.33.2256" @default.
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