α‐ and β‐Lipomycin: Total Syntheses by Sequential Stille Couplings and Assignment of the Absolute Configuration of All Stereogenic Centers

2014 ◽  
Vol 53 (28) ◽  
pp. 7328-7334 ◽  
Author(s):  
Max L. Hofferberth ◽  
Reinhard Brückner
Keyword(s):  
Absolute Configuration ◽  
Total Syntheses ◽  
Stereogenic Centers ◽  
The Absolute

Determination of the Absolute Configuration of Gliomasolide D through Total Syntheses of the C-17 Epimers

2017 ◽  
Vol 80 (2) ◽  
pp. 560-564 ◽  
Author(s):  
B. Seetharamsingh ◽  
Routholla Ganesh ◽  
D. Srinivasa Reddy
Keyword(s):  
Absolute Configuration ◽  
Total Syntheses ◽  
The Absolute

scholarly journals (2R,4S,5S)-5-Methoxy-4-methyl-3-oxohept-6-en-2-yl benzoate

IUCrData ◽  
2021 ◽  
Vol 6 (9) ◽  
Author(s):  
Ann-Christin Schmidt ◽  
Lyuba Iovkova ◽  
Martin Hiersemann
Keyword(s):  
Crystal Structure ◽  
Total Synthesis ◽  
Absolute Configuration ◽  
Title Compound ◽  
Anomalous Dispersion ◽  
Allylic Alcohol ◽  
Compound C ◽  
Stereogenic Centers ◽  
The Absolute

The title compound, C16H20O4, was synthesized in the course of the total synthesis of fusaequisin A in order to verify and confirm the configurations of the stereogenic centers and to exclude the possibility of epimerization during the methylation process. The crystal structure of the title compound at 100 K has orthorhombic (P212121) symmetry. The absolute configuration was determined by anomalous dispersion and agrees with the configuration of the allylic alcohol used in the synthesis.

Divergent total syntheses of five illudalane sesquiterpenes and assignment of the absolute configuration

2019 ◽  
Vol 55 (29) ◽  
pp. 4250-4253 ◽  
Author(s):  
Zhixiong Zeng ◽  
Yifan Zhao ◽  
Yandong Zhang
Keyword(s):  
Transition Metal ◽  
Absolute Configuration ◽  
Total Syntheses ◽  
The Absolute ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

Transition metal catalyzed [2+2+2] cycloaddition and aromatic C–H oxygenation enables concise, divergent total syntheses of five bioactive illudalane sesquiterpenes.

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