Reactions with 2-methyl- and 2-styryl-4-
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Zeid, Ibrahim ;El-Bary, Hamed Abd ;Yassin, Salah ;Zahran, Magdy
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Article
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1984
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John Wiley and Sons
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English
β 281 KB
## Abstract Diazoalkanes react with 2βmethylβ and 2βstyrylβ4βthiochromones to yield the 1,3βdithiolanes **1** and/or ethylenes **2**β**4**. The latter are cleaved with thionyl chloride to give the corresponding ketones, while on fusion with sulfur they afford the corresponding thioketones. By conde