Acyclic stereoselection. Part 42. 1,4- and 1,5-Stereoselection by sequential aldol addition to a .alpha.,.beta.-unsaturated aldehydes followed by Claisen rearrangement. Application to total synthesis of the vitamin E side chain and the archaebacterial C40 diol
The total synthesis of the archaebacterial C40-diol and its enantiomer based on (R)-5-acetoxy-4-methylpentanoic acid
作者:B. A. Czeskis、I. G. Alexeev、A. M. Moiseenkov
DOI:10.1007/bf00702017
日期:1993.7
Effective convergent syntheses of archaebacterial C40-diol [(3R,7R,11S,15S,18S,22S, 26R,30R)-octamethyldotriacontane-1,32-diol] and its (3S,7S,11R,15R,18R,22R,26S,30S)-enantiomer have been accomplished using (R)-5-acetoxy-4-methylpentanoic acid as the only chiral building block. Both synthetic schemes include consecutive construction of mono- and diterpene fragments of the target molecules followed
HEATHCOCK, CLAYTON H.;FINKELSTEIN, BRUCE L.;JARVI, ESA T.;RADEL, PEGGY A.+, J. ORG. CHEM., 53,(1988) N 9, 1922-1942
作者:HEATHCOCK, CLAYTON H.、FINKELSTEIN, BRUCE L.、JARVI, ESA T.、RADEL, PEGGY A.+
DOI:——
日期:——
Detection of regioisomeric macrocyclic tetraethers in the lipids of Methanobacterium thermoautotrophicum and other archaeal organisms
作者:Otto Gräther、Duilio Arigoni
DOI:10.1039/c39950000405
日期:——
Chemical degradation shows that an apparently homogeneous preparation from the lipids of Methanobacterium thermoautotrophicum is in fact a mixture of the regioisomeric compounds 2 and 8 differing in the relative orientation of their glycerol units; a similar situation holds for the related diglycerol tetraethers of Thermoplasma acidophilum and Sulfolobus solfataricus.
Acyclic stereoselection. Part 42. 1,4- and 1,5-Stereoselection by sequential aldol addition to a .alpha.,.beta.-unsaturated aldehydes followed by Claisen rearrangement. Application to total synthesis of the vitamin E side chain and the archaebacterial C40 diol
作者:Clayton H. Heathcock、Bruce L. Finkelstein、Esa T. Jarvi、Peggy A. Radel、Cheri R. Hadley
DOI:10.1021/jo00244a017
日期:1988.4
Enantioselective Total Synthesis of the Archaeal Lipid Parallel GDGT‐0 (Isocaldarchaeol)**
作者:Isaac D. Falk、Bálint Gál、Ahanjit Bhattacharya、Jeremy H. Wei、Paula V. Welander、Steven G. Boxer、Noah Z. Burns
DOI:10.1002/anie.202104051
日期:2021.8.2
Archaeal glycerol dibiphytanyl glycerol tetraethers (GDGT) are some of the most unusual membrane lipids identified in nature. These amphiphiles are the major constituents of the membranes of numerous Archaea, some of which are extremophilic organisms. Due to their unique structures, there has been significant interest in studying both the biophysical properties and the biosynthesis of these molecules