ChemInform Abstract: Asymmetric Synthesis of Quaternary Carbon Compounds via Chiral Bicyclic Lactams

ChemInform ◽  
2010 ◽  
Vol 26 (28) ◽  
pp. no-no
Author(s):  
A. I. MEYERS
Keyword(s):  
Asymmetric Synthesis ◽  
Quaternary Carbon ◽  
Bicyclic Lactams ◽  
Carbon Compounds

A facile synthesis of chiral bicyclic lactams utilized in the formation of chiral quaternary carbon compounds

1989 ◽  
Vol 54 (17) ◽  
pp. 4243-4246 ◽  
Author(s):  
A. I. Meyers ◽  
Bruce A. Lefker ◽  
Thomas J. Sowin ◽  
Larry J. Westrum
Keyword(s):  
Quaternary Carbon ◽  
Facile Synthesis ◽  
Bicyclic Lactams ◽  
Carbon Compounds

Notes- Unsymemetrical Quaternary Carbon Compounds. III. The Preparation and Resolution of Trialkylacetic Acids

1960 ◽  
Vol 25 (5) ◽  
pp. 835-838 ◽  
Author(s):  
Franklin Prout ◽  
Bohdan Burachinsky ◽  
William Brannen, Jr. ◽  
Herbert Young
Keyword(s):  
Quaternary Carbon ◽  
Carbon Compounds

Central–axial–central chirality transfer: asymmetric synthesis of highly substituted indenes bearing a stereogenic quaternary carbon center from optically active propargyl alcohols

2015 ◽  
Vol 51 (2) ◽  
pp. 380-383 ◽  
Author(s):  
Masahiro Egi ◽  
Kaori Shimizu ◽  
Marin Kamiya ◽  
Yuya Ota ◽  
Shuji Akai
Keyword(s):  
Asymmetric Synthesis ◽  
Optically Active ◽  
Quaternary Carbon ◽  
Chirality Transfer ◽  
Propargyl Alcohols

An asymmetric synthesis of highly substituted indenes has been developed via the central–axial–central chirality transfer from optically active propargyl alcohols.

Asymmetric Synthesis of Benzylic Quaternary Carbon Center via an Enzymatic Reaction

Heterocycles ◽  
1996 ◽  
Vol 43 (5) ◽  
pp. 1031 ◽  
Author(s):  
Shunsaku Shiotani ◽  
Hirohiko Okada ◽  
Kumiko Nakamata ◽  
Takako Yamamoto ◽  
Fumie Sekino
Keyword(s):  
Asymmetric Synthesis ◽  
Enzymatic Reaction ◽  
Quaternary Carbon

Asymmetric Construction of Halogenated Cyclic Quaternary Carbon Center through Enolate Activation of Aldehydes

Synlett ◽  
2018 ◽  
Vol 29 (20) ◽  
pp. 2601-2607 ◽  
Author(s):  
Jun-Long Li ◽  
Qing-Zhu Li ◽  
Yue Liu ◽  
Hai-Jun Leng
Keyword(s):  
Asymmetric Synthesis ◽  
Synthetic Methods ◽  
Quaternary Carbon ◽  
Quaternary Stereocenter

The construction of a chiral halogenated cyclic quaternary carbon center through various catalytic strategies is an emerging hot topic in the field of asymmetric synthesis. Herein, we give a summary of recently developed synthetic methods for preparing such structures. In addition, a novel enolate activation mode of aldehydes is highlighted, which provides an elegant pathway to access enantiopure heterocycles featuring a halogenated quaternary stereocenter through organocatalytic [4+2] cycloaddition.

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