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2005
Sulfoxides
P 0450
04- 074
Alkatrienyl Sulfoxides and Sulfones. Part 4. Synthesis and Electrophile-Induced
Cyclization Reactions of 3-Methylsulfonylpenta-1,2,4-triene. — The title alkatrienyl sulfone (IV) is synthesized based on the [2,3] sigmatropic rearrangement of pentenynyl sulfinate (III) and its chemical behavior in reactions with electrophilic reagents
is studied. Reactions of (IV) with phenylsulfenyl as well as phenylselenyl chlorides
provide 5-membered S- or Se-heterocycles, resp., as the sole products. —
(CHRISTOV*, V. C.; IVANOV, I. K.; Phosphorus, Sulfur Silicon Relat. Elem. 179
(2004) 9, 1681-1690; Dep. Chem., Univ. Shumen, BG-9700 Shumen, Bulg.; Eng.) —
H. Toeppel
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