Stereoselective synthesis of a conformationally restricted β-hydroxy-λ-amino acid
作者:Dong Xiao、Patrick J. Carroll、Scott C. Mayer、Amy J. Pfizenmayer、Madeleine M. Joullié
DOI:10.1016/s0957-4166(97)00402-3
日期:1997.9
beta-Hydroxy-gamma-amino acids are a class of non-proteinogenic amino acids present in many important biologically active natural products. In conjunction with our research on didemnins, we designed and synthesized a sterically constrained beta-hydroxy-gamma-amino acid in which the requisite carboxyl, hydroxyl and amino groups are positioned on a conformationally stable 6-membered ring. (C) 1997 Elsevier Science Ltd.
Total Synthesis of a Conformationally Constrained Didemnin B Analog
作者:Dong Xiao、Matthew D. Vera、Bo Liang、Madeleine M. Joullié
DOI:10.1021/jo001640n
日期:2001.4.1
The total synthesis of a didemninB analogue containing a conformationally constrained replacement for the isostatine moiety is reported. Synthetic highlights include an improved preparation of 2-hydroxy-3-cyclohexenecarboxylic acid and a new strategy for accessing the macrocycle.