Title: Methoxyethylbenzeneboronic Acid
CAS Registry Number: 159752-39-3
CAS Name: [2-[(1R)-1-Methoxyethyl]phenyl]boronic acid
Molecular Formula: C9H13BO3
Molecular Weight: 180.01
Percent Composition: C 60.05%, H 7.28%, B 6.01%, O 26.66%
Literature References: Synthesis of (+)-form and use: K. Burgess, A. M. Porte, Angew. Chem. Int. Ed. 33, 1182 (1994). Chemoenzymatic stereosynthesis of both enantiomers and use: S. M. Resnick et al., J. Org. Chem. 60, 3546 (1995).
Properties: White solid from n-hexane, mp 72-74°. [Ga]D25 +27 (c = 0.5 in CH2Cl2) (Burgess); [a]D +27.2° (c = 4.6 in CH2Cl2) (Resnick).
Melting point: mp 72-74°
Optical Rotation: [a]D +27.2° (c = 4.6 in CH2Cl2) (Resnick)
Derivative Type: (-)-S-Form
CAS Registry Number: 166191-23-7
Properties: [a]D -28.7° (c = 2.3 in CH2Cl2).
Optical Rotation: [a]D -28.7° (c = 2.3 in CH2Cl2)
Use: NMR shift reagent for enantiomeric assay of diols. |