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ChemInform Abstract: One-Pot Desilylation/Dimerization of Ethynyl- and Butadiynyltrimethylsilanes. Synthesis of Tetrayne-Linked Dehydrobenzoannulenes.

✍ Scribed by M. M. HALEY; M. L. BELL; S. C. BRAND; D. B. KIMBALL; J. J. PAK; W. B. WAN

Publisher: John Wiley and Sons
Year: 2010
Weight: 32 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199805090

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✦ Synopsis

One-Pot

Desilylation/Dimerization of Ethynyl-and Butadiynyltrimethylsilanes.

Synthesis of Tetrayne-Linked Dehydrobenzoannulenes.

-Addition of potassium carbonate to standard Eglinton oxidative dimerization conditions for silyl acetylenes (I) results in a one-pot desilylation/dimerization reaction. Application of these conditions to phenylbutadiynylsilanes (III) provide an entry to the macrocycles (V) possessing an unprecedented number of acetylene linkers.

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