Enantioselective addition of diethylzinc to aldehydes catalyzed by γ-amino alcohols derived from (+)- and (−)-α-pinene
作者:Zsolt Szakonyi、Árpád Balázs、Tamás A. Martinek、Ferenc Fülöp
DOI:10.1016/j.tetasy.2005.12.011
日期:2006.1
Primary, secondary and tertiary γ-amino alcohols 4, 5, 7 and 9 and 1,3-diamine 6 were synthesized from (+)- and (−)-α-pinene 1 via chiral N-Boc β-amino ester 3a and carboxamide 3b. The amino alcohols and diamine obtained were applied as chiral catalysts in the enantioselective addition of diethylzinc to aromatic aldehydes, resulting in chiral 1-aryl-1-propanols. The first evidence of the substituent-dependent