Literature DB >> 19943297

A catalytic asymmetric 6 pi electrocyclization: enantioselective synthesis of 2-pyrazolines.

Steffen Müller1, Benjamin List.   

Abstract

Entities:  

Year:  2009        PMID： 19943297     DOI： 10.1002/anie.200905035

Source DB:  PubMed          Journal:  Angew Chem Int Ed Engl        ISSN： 1433-7851            Impact factor:   15.336


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  10 in total

1.  Cinchona alkaloid catalyzed enantioselective amination of α,β-unsaturated ketones: an asymmetric approach to Δ2-pyrazolines.

Authors:  Nathaniel R Campbell; Bingfeng Sun; Ravi P Singh; Li Deng
Journal:  Adv Synth Catal       Date:  2011-11-01       Impact factor: 5.837

2.  Synthesis of substituted pyrazoles via tandem cross-coupling/electrocyclization of enol triflates and diazoacetates.

Authors:  David J Babinski; Hector R Aguilar; Raymond Still; Doug E Frantz
Journal:  J Org Chem       Date:  2011-06-27       Impact factor: 4.354

3.  Catalytic enantioselective synthesis of indanes by a cation-directed 5-endo-trig cyclization.

Authors:  Craig P Johnston; Abhishek Kothari; Tetiana Sergeieva; Sergiy I Okovytyy; Kelvin E Jackson; Robert S Paton; Martin D Smith
Journal:  Nat Chem       Date:  2015-01-12       Impact factor: 24.427

4.  Proton donor acidity controls selectivity in nonaromatic nitrogen heterocycle synthesis.

Authors:  Simon Duttwyler; Shuming Chen; Michael K Takase; Kenneth B Wiberg; Robert G Bergman; Jonathan A Ellman
Journal:  Science       Date:  2013-02-08       Impact factor: 47.728

5.  Brønsted acid-promoted hydroamination of unsaturated hydrazones: access to biologically important 5-arylpyrazolines.

Authors:  Han He; Ning Xu; Honglin Zhang; Bin Chen; Zhengnan Hu; Kang Guo; Jianlin Chun; Shujun Cao; Yingguang Zhu
Journal:  RSC Adv       Date:  2021-05-11       Impact factor: 4.036

6.  Formal [4 + 1] cycloaddition of in situ generated 1,2-diaza-1,3-dienes with diazo esters: facile approaches to dihydropyrazoles containing a quaternary center.

Authors:  Bo Chen; Wen-Dao Chu; Quan-Zhong Liu
Journal:  RSC Adv       Date:  2019-01-11       Impact factor: 4.036

7.  Stereoselective Synthesis of Atropisomeric Acridinium Salts by the Catalyst-Controlled Cyclization of ortho-Quinone Methide Iminiums.

Authors:  Xingxing Wu; Christof Sparr
Journal:  Angew Chem Int Ed Engl       Date:  2022-02-25       Impact factor: 16.823

8.  Monitoring the photochemistry of a formazan over 15 orders of magnitude in time.

Authors:  Svenja Wortmann; Roger Jan Kutta; Patrick Nuernberger
Journal:  Front Chem       Date:  2022-09-28       Impact factor: 5.545

9.  Organocatalytic cascade aza-Michael/hemiacetal reaction between disubstituted hydrazines and α,β-unsaturated aldehydes: Highly diastereo- and enantioselective synthesis of pyrazolidine derivatives.

Authors:  Zhi-Cong Geng; Jian Chen; Ning Li; Xiao-Fei Huang; Yong Zhang; Ya-Wen Zhang; Xing-Wang Wang
Journal:  Beilstein J Org Chem       Date:  2012-10-09       Impact factor: 2.883

10.  Copper-catalyzed diastereoselective aerobic intramolecular dehydrogenative coupling of hydrazones via sp3 C-H functionalization.

Authors:  Xuesong Wu; Mian Wang; Guangwu Zhang; Yan Zhao; Jianyi Wang; Haibo Ge
Journal:  Chem Sci       Date:  2015-07-14       Impact factor: 9.825
  10 in total

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