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Hochsubstituierte Cyclopentadiene mit Methylthio- und Methylsulfonyl-Gruppen

✍ Scribed by Hartke, Klaus ;Lee, Kyung-Hee

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 193 KB
Volume: 1992
Category: Article
ISSN: 0947-3440
DOI: 10.1002/jlac.199219920174

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✦ Synopsis

Highly Substituted Cyclopentadienes with Methylthio and Methylsulfonyl Groups

Sodium cyclopentadiene (1) reacts with S‐methyl methane‐thiosulfonate (2) to yield the hexakis(methylthio)cyclopentadiene (3), which is transformed into the pentakis(methylthio)‐cyclopentadienides 4 by S‐nucleophiles. Oxidation of 4 gives rise to pentakis(methylsulfonyl)cyclopentadienide, isolated as tetraphenylarsonium salt 7.

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Highly Substituted Cyclopentadienes with Arylthio and Arylsulfonyl Groups Cyclopentadienes 1 react with diaryl disulfides 2 to form the tetrakis(arylthio)cyclopentadienides 3, which have been oxidized with __m__‐chloroperbenzoic acid to give the tetrakis(arylsulfonyl)cyclopentadienides 5. Protonati