8-Oxabicyclo[3.2.1]oct-6-en-3-ones: Application to the Asymmetric Synthesis of Polyoxygenated Building Blocks

ChemInform ◽  
2004 ◽  
Vol 35 (24) ◽  
Author(s):  
Ingo V. Hartung ◽  
H. Martin R. Hoffmann
Keyword(s):  
Asymmetric Synthesis ◽  
Building Blocks

scholarly journals Cellulose recycling as a source of raw chirality

2013 ◽  
Vol 85 (8) ◽  
pp. 1683-1692 ◽  
Author(s):  
Valeria Corne ◽  
María Celeste Botta ◽  
Enrique D. V. Giordano ◽  
Germán F. Giri ◽  
David F. Llompart ◽  
...  
Keyword(s):  
Organic Chemistry ◽  
Organic Carbon ◽  
Asymmetric Synthesis ◽  
Building Blocks ◽  
Biologically Active ◽  
Raw Material ◽  
Chiral Auxiliaries ◽  
High Chemical ◽  
Chiral Structure

Modern organic chemistry requires easily obtainable chiral building blocks that show high chemical versatility for their application in the synthesis of enantiopure compounds. Biomass has been demonstrated to be a widely available raw material that represents the only abundant source of renewable organic carbon. Through the pyrolitic conversion of cellulose or cellulose-containing materials it is possible to produce levoglucosenone, a highly functionalized chiral structure. This compound has been innovatively used as a template for the synthesis of key intermediates of biologically active products and for the preparation of chiral auxiliaries, catalysts, and organocatalysts for their application in asymmetric synthesis.

Asymmetric synthesis of allylic sulfones useful as asymmetric building blocks.

1995 ◽  
Vol 117 (38) ◽  
pp. 9662-9670 ◽  
Author(s):  
Barry M. Trost ◽  
Michael G. Organ ◽  
George A. O'Doherty
Keyword(s):  
Asymmetric Synthesis ◽  
Building Blocks ◽  
Asymmetric Building

scholarly journals Recent Advances in Organocatalyzed Asymmetric Synthesis of Benzopyran and Benzodihydropyran (Chromane) Nuclei

Symmetry ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 1510
Author(s):  
Renato Dalpozzo ◽  
Raffaella Mancuso
Keyword(s):  
Natural Products ◽  
Asymmetric Synthesis ◽  
Organic Synthesis ◽  
Building Blocks ◽  
Core Structure ◽  
The Core ◽  
Recent Advances ◽  
Set Up

Benzopyran and benzodihydropyran (chromane) nuclei are the core structure of many natural products, in particular flavonoids. Many compounds possessing this structure are nutraceuticals, pharmaceutical nutrients. Therefore, benzopyran and chromane scaffolds are important building blocks in organic synthesis and many efforts have been made to set up efficient methods for their synthesis. In particular, asymmetric methods are of great importance, being natural products, and generally chiral substances. This review aims to cover literature in the range 2017–first half of 2019.

Sequential Biocatalytic Aldol Reactions in Multistep Asymmetric Synthesis: Pipecolic Acid, Piperidine and Pyrrolidine (Homo)Iminocyclitol Derivatives from Achiral Building Blocks

2014 ◽  
Vol 356 (14-15) ◽  
pp. 3007-3024 ◽  
Author(s):  
Anna Soler ◽  
Xavier Garrabou ◽  
Karel Hernández ◽  
Mariana L. Gutiérrez ◽  
Eduardo Busto ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Building Blocks ◽  
Pipecolic Acid ◽  
Aldol Reactions

A furan route to the asymmetric synthesis of trans-fused polyether building blocks

2003 ◽  
Vol 44 (45) ◽  
pp. 8227-8228 ◽  
Author(s):  
Urlam Murali Krishna ◽  
G.S.C. Srikanth ◽  
Girish K. Trivedi
Keyword(s):  
Asymmetric Synthesis ◽  
Building Blocks
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