Towards the total synthesis of neurotrophically active tashironins: rapid construction of the tetracyclic core through a tandem oxidative dearomatization–IMDA reaction–RCM protocol
作者:Goverdhan Mehta、Pulakesh Maity
DOI:10.1016/j.tetlet.2007.10.052
日期:2007.12
An exceptionally short (three step) strategy involving tandem oxidative dearomatization, intramolecular Diels-Alder (IMDA) reaction and RCM has been devised to generate the complete carbon framework present in tashironin-type sesquiterpenoid natural products. (C) 2007 Elsevier Ltd. All rights reserved.
A stereoselective synthese of the C-15 to C-20 segment of rifamycin-S
作者:A.V.Rama Rao、J.S. Yadav、C.Srinivasa Rao
DOI:10.1016/s0040-4039(00)84780-2
日期:1986.1
A convenient method has been described for the stereoselective construction of 5-substituted-2-methyl-2Z, 4E-pentadienoic acid, present in the ansa bridge of rifamycin-S.