Title: Formylborane Formation with Frustrated Lewis Pair Templates
Abstract: Abstract Boranes R 2 BH react with carbon monoxide by forming the respective borane carbonyl compounds R 2 BH(CO). The formation of (C 6 F 5 ) 2 BH(CO) derived from the Piers borane, HB(C 6 F 5 ) 2 , is a typical example. Subsequent CO‐hydroboration does not take place, since the formation of the formylborane is usually endothermic. However, an “η 2 ‐formylborane” was formed by CO‐hydroboration with the Piers borane at vicinal phosphane/borane frustrated Lewis pair (FLP) templates. Subsequent treatment with pyridine liberated the intact formylborane from the FLP framework, and (pyridine)(C 6 F 5 ) 2 BCHO was then isolated as a stable compound. This product underwent typical reactions of carbonyl compounds, such as Wittig olefination.
Publication Year: 2013
Publication Date: 2013-12-11
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 56
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