Salvado, Oriol; Fernandez, Elena published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《A modular olefination reaction between aldehydes and diborylsilylmethide lithium salts》.Formula: C13H26B2O4 The article contains the following contents:
We describe the preparation of densely functionalized 1,1-silylborylated trisubstituted alkenes, via a boron-Wittig reaction, between LiC(Bpin)2(SiMe3) and aliphatic or aromatic aldehydes. Reaction of aldehydes RCHO (R = aryl, alkyl) with (pinB)2CHSiMe3, promoted by LiTMP, afforded trisubstituted alkenes Me3Si(pinB)C:CHR with 67:33 to 97:3 E/Z stereoselectivity. The condensation of diborylsilylmethide lithium salts with α,β-unsaturated aldehydes provides a direct pathway to synthesize 1,1-silylborylated conjugated dienes and diynes. In the part of experimental materials, we found many familiar compounds, such as Bis[(pinacolato)boryl]methane(cas: 78782-17-9Formula: C13H26B2O4)
Bis[(pinacolato)boryl]methane(cas: 78782-17-9) belongs to organoboron compounds.Formula: C13H26B2O4 Organoboron compounds are versatile intermediates and as such are some of the most important classes of reagents in modern organic chemistry. This stems from their ease of preparation combined with their ability to undergo a broad range of chemical transformations.
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