THIO- AND SELENOCARBONYL COMPOUNDS AS SUPERDIENOPHILES IN 4+2 CYCLOADDITIONS
作者： Uwe Rohr , Jürgen Schatz , Jürgen Sauer
DOI: 10.1002/(SICI)1099-0690(199812)1998:12<2875::AID-EJOC2875>3.0.CO;2-N
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摘要: Normal, neutral, and inverse-type Diels–Alder reactions can be observed in [4+2] cycloadditions of thio- selenocarbonyl compounds 1–9 with various cyclic aryl-, methyl- or methoxy-substituted open-chain 1,3-butadienes. Extensive kinetic studies prove the highly dienophilic activity CS CSe double bond. Studies solvent temperature dependence reaction rate indicate a concerted mechanism.
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