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ChemInform Abstract: Exclusive cis-1,4-Addition Reaction in the Bromination of 2,5-Bis(trimethylsilyl)thiophene Monooxide.

✍ Scribed by S.-Z. ZHANG; S. SATO; E. HORN; N. FURUKAWA

Publisher: John Wiley and Sons
Year: 2010
Weight: 29 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199826143

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✦ Synopsis

Exclusive

cis-1,4-Addition Reaction in the Bromination of 2,5-Bis(trimethylsilyl)thiophene Monooxide.

-2,5-Bis(trimethylsilyl)thiophene monooxide (I) reacts with elemental bromine to give highly selectively the cis-1,4-adduct (II). Prolonged stirring of (II) at room temperature leads to complete decomposition to 2,5-dibromothiophene (III) and hexamethyldisiloxane.

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