A number of 3,3'-disubstituted binaphthol-modified allylboronates (2. 42a-m) were prepared from the reaction between triallylborane and the corresponding 3,3'-disubstituted binaphthols. These chiral allylboronates could allylate carbonyl compounds to produce chiral homoallylic alcohols in high chemical and optical yields. Chiral ligands were readily recycled through simple acid-base extraction. Among all allylboronates tested, 3,3'-(CF3)2-BINOL-modified allylboronate (2. 42b) is an especially effective reagent that allows for allylborations of both aldehydes and ketones in high enantioselectivities (up to 98% yield and >99% ee). Reagent 2. 42b represents one of the best allylation reagents for carbonyl compounds developed thus fa...