Pinacol Coupling of Aromatic Aldehydes using La-Ticl4 in CH3COOEt under Ultrasound Irradiation

oleh: Ji-Tai Li, Xue-Li Sun, Zhi-Ping Lin, Tong-Shuang Li

Format: Article
Diterbitkan: Wiley 2006-01-01

Deskripsi

Titanium tetrachloride can be reduced by lanthanum filings to the corresponding low valent titanium complex, which can induce some aromatic aldehydes to the corresponding pinacols in 28%-97% yields within 10-50 min in ethyl acetate at r.t. under ultrasound irradiation.