An Asymmetric Route to the Conanine BCDE Ring System. A Formal Total Synthesis of (+)-Conessine

1996 ◽  
Vol 118 (41) ◽  
pp. 9876-9883 ◽  
Author(s):  
Michael E. Kopach ◽  
Andrew H. Fray ◽  
A. I. Meyers
Keyword(s):  
Total Synthesis ◽  
Ring System ◽  
System A

ChemInform Abstract: An Asymmetric Route to the Conanine BCDE Ring System. A Formal Total Synthesis of (+)-Conessine.

ChemInform ◽  
2010 ◽  
Vol 28 (8) ◽  
pp. no-no
Author(s):  
M. E. KOPACH ◽  
A. H. FRAY ◽  
A. I. MEYERS
Keyword(s):  
Total Synthesis ◽  
Ring System ◽  
System A

Concise Total Synthesis of Curvulone B

Synlett ◽  
2020 ◽  
Author(s):  
Debendra K. Mohapatra ◽  
Shivalal Banoth ◽  
Utkal Mani Choudhury ◽  
Kanakaraju Marumudi ◽  
Ajit C. Kunwar
Keyword(s):  
Total Synthesis ◽  
Stereoselective Synthesis ◽  
Ring System ◽  
Bond Forming ◽  
Cross Metathesis ◽  
Bond Forming Reactions ◽  
Key Steps

AbstractA concise and convergent stereoselective synthesis of curvulone B is described. The synthesis utilized a tandem isomerization followed by C–O and C–C bond-forming reactions following Mukaiyama-type aldol conditions for the construction of the trans-2,6-disubstituted dihydropyran ring system as the key steps. Other important features of this synthesis are a cross-metathesis, epimerization, and Friedel–Crafts acylation.

ChemInform Abstract: TOTAL SYNTHESIS OF THE 6-SILASTEROID RING SYSTEM

1975 ◽  
Vol 6 (52) ◽  
pp. no-no
Author(s):  
S. BARCZA ◽  
C. W. HOFFMAN
Keyword(s):  
Total Synthesis ◽  
Ring System

scholarly journals Short, enantioselective, gram-scale synthesis of (−)-zephyranthine

2021 ◽  
Author(s):  
Yuxiang Zhao ◽  
Yanren Zhu ◽  
Guolan Ma ◽  
Qi Wei ◽  
Shaoxiong Yang ◽  
...  
Keyword(s):  
Total Synthesis ◽  
Functional Group ◽  
Ring System ◽  
System Construction ◽  
Synthesis Design

A reasonable synthesis design by strategically integrating functional group manipulation into the ring system construction resulted in a short, enantioselective, gram-scale total synthesis of (−)-zephyranthine.

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