scholarly journals Catalytic Asymmetric Claisen Rearrangement in Natural Product Synthesis: Synthetic Studies Toward (-)-Xeniolide F.

ChemInform ◽  
2006 ◽  
Vol 37 (18) ◽  
Author(s):  
Annett Pollex ◽  
Martin Hiersemann
Keyword(s):  
Natural Product ◽  
Claisen Rearrangement ◽  
Natural Product Synthesis ◽  
Synthetic Studies ◽  
Catalytic Asymmetric

scholarly journals Catalytic Asymmetric Intramolecular Darzens Reaction of 2-Halomalonate Derivatives

2019 ◽  
Vol 14 (10) ◽  
pp. 1934578X1988440
Author(s):  
Kenichi Kobayashi ◽  
Kosaku Tanaka ◽  
Momoko Suzuki ◽  
Hiroshi Kogen
Keyword(s):  
Natural Products ◽  
Natural Product ◽  
Phase Transfer ◽  
Building Blocks ◽  
Natural Product Synthesis ◽  
Darzens Reaction ◽  
Phase Transfer Catalysts ◽  
Catalytic Asymmetric

A catalytic asymmetric intramolecular Darzens reaction of 2-halomalonate derivatives was developed for the enantioselective preparation of chiral building blocks for epoxide-containing natural products. Among the screened catalysts, some phase-transfer catalysts gave the desired epoxide in moderate enantioselectivity, albeit in low yield. The epoxide product would be useful as versatile chiral building blocks for natural product synthesis.

Development of Catalytic Asymmetric Intramolecular Cyclopropanation of α-Diazo-β-Keto Sulfones and Applications to Natural Product Synthesis

Synlett ◽  
2009 ◽  
Vol 2009 (11) ◽  
pp. 1695-1712 ◽  
Author(s):  
Masahisa Nakada ◽  
Masahiro Honma ◽  
Hiroyuki Takeda ◽  
Masashi Takano
Keyword(s):  
Natural Product ◽  
Natural Product Synthesis ◽  
Catalytic Asymmetric
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