ChemInform Abstract: Enantioconvergent Hydroboration of a Racemic Allene: Enantioselective Synthesis...

1
ChemInform 2011, 42, issue 37 © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Organo-tin compounds S 4800 DOI: 10.1002/chin.201137187 Enantioconvergent Hydroboration of a Racemic Allene: Enantioselective Synthe- sis of (E)-δ-Stannyl-anti-homoallylic Alcohols via Aldehyde Crotylboration. The hydroboration of racemic allenes with (+)-diisopinocampheylborane converts both allene enantiomers into the same intermediate, which by reaction with aldehydes af- fords the title alcohols in excellent enantioselectivity. — (CHEN, M.; ROUSH*, W. R.; J. Am. Chem. Soc. 133 (2011) 15, 5744-5747, http://dx.doi.org/10.1021/ja2010187 ; Dep. Chem., Scripps Florida, Jupiter, FL 33458, USA; Eng.) — Klein 37- 187

Transcript of ChemInform Abstract: Enantioconvergent Hydroboration of a Racemic Allene: Enantioselective Synthesis...

Organo-tin compoundsS 4800 DOI: 10.1002/chin.201137187

Enantioconvergent Hydroboration of a Racemic Allene: Enantioselective Synthe-sis of (E)-δ-Stannyl-anti-homoallylic Alcohols via Aldehyde Crotylboration. — The hydroboration of racemic allenes with (+)-diisopinocampheylborane converts both allene enantiomers into the same intermediate, which by reaction with aldehydes af-fords the title alcohols in excellent enantioselectivity. — (CHEN, M.; ROUSH*, W. R.; J. Am. Chem. Soc. 133 (2011) 15, 5744-5747, http://dx.doi.org/10.1021/ja2010187 ; Dep. Chem., Scripps Florida, Jupiter, FL 33458, USA; Eng.) — Klein

37- 187

ChemInform 2011, 42, issue 37 © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim