<i>p</i>-Menthane-3-carboxaldehyde: A Useful Chiral Auxiliary for the Synthesis of Chiral Quaternary Carbons of High Enantiomeric Purity
作者:Claude Spino、Cédrickx Godbout、Christian Beaulieu、Magali Harter、Topwe M. Mwene-Mbeja、Luc Boisvert
DOI:10.1021/ja046084j
日期:2004.10.1
from (+)- or (-)-menthone, respectively. This auxiliary allows for the synthesis of carbonyl compounds bearing a alpha-chiral quaternary carbon. The flexibility, efficiency, and ease of use of the method are demonstrated in a series of examples, which include the total synthesis of (+)-cuparenone as well as a partial synthesis of (-)-cassiol.
(+)- 或 (-)-p-Menthane-3-carboxaldehyde 分别由 (+)- 或 (-)-薄荷酮通过两个简单的步骤制成。这种助剂允许合成带有α-手性季碳的羰基化合物。该方法的灵活性、效率和易用性在一系列例子中得到了证明,其中包括 (+)-cuparenone 的全合成以及 (-)-cassiol 的部分合成。