Scope and Mechanism for Lewis Acid-Catalyzed Cycloadditions of Aldehydes and Donor−Acceptor Cyclopropanes: Evidence for a Stereospecific Intimate Ion Pair Pathway

2008 ◽  
Vol 130 (27) ◽  
pp. 8642-8650 ◽  
Author(s):  
Patrick D. Pohlhaus ◽  
Shanina D. Sanders ◽  
Andrew T. Parsons ◽  
Wei Li ◽  
Jeffrey S. Johnson
Keyword(s):  
Lewis Acid ◽  
Ion Pair ◽  
Donor Acceptor ◽  
Acid Catalyzed

ChemInform Abstract: Scope and Mechanism for Lewis Acid-Catalyzed Cycloadditions of Aldehydes and Donor-Acceptor Cyclopropanes: Evidence for a Stereospecific Intimate Ion Pair Pathway.

ChemInform ◽  
2008 ◽  
Vol 39 (47) ◽  
Author(s):  
Patrick D. Pohlhaus ◽  
Shanina D. Sanders ◽  
Andrew T. Parsons ◽  
Wei Li ◽  
Jeffrey S. Johnson
Keyword(s):  
Lewis Acid ◽  
Ion Pair ◽  
Donor Acceptor ◽  
Acid Catalyzed

scholarly journals Lewis‐Acid‐Catalyzed (3+2)‐Cycloadditions of Donor‐Acceptor Cyclopropanes with Thioketenes

2021 ◽  
Author(s):  
Grzegorz Mlostoń ◽  
Mateusz Kowalczyk ◽  
André U. Augustin ◽  
Peter G. Jones ◽  
Daniel B. Werz
Keyword(s):  
Lewis Acid ◽  
Donor Acceptor ◽  
Acid Catalyzed

Efficient Synthesis of Diarylmethylamines via Lewis Acid Catalyzed Friedel–Crafts Reactions of Donor–Acceptor Aziridines with N,N-Dialkylanilines

Synthesis ◽  
2019 ◽  
Vol 52 (02) ◽  
pp. 281-289
Author(s):  
Yerin Kim ◽  
Yong Il Kwon ◽  
Sung-Gon Kim
Keyword(s):  
Lewis Acid ◽  
Efficient Synthesis ◽  
Broad Scope ◽  
Donor Acceptor ◽  
Acid Catalyzed ◽  
High Yields

A method for efficient and mild synthesis of diarylmethylamine scaffold, via Lewis acid catalyzed Friedel–Crafts reaction of donor­–acceptor aziridines with N,N-dialkylanilines to afford a biologically important diarylmethylamine derivatives in high yields (up to 88%), is presented. This reaction is suitable for the synthesis of various diarylmethylamine derivatives and has a broad scope for electron-rich arenes, including dimethoxybenzene.

scholarly journals Lewis Acid Catalyzed Ring-Opening 1,3-Aminothiolation of Donor–Acceptor Cyclopropanes Using Sulfenamides

2020 ◽  
Vol 22 (6) ◽  
pp. 2276-2280 ◽  
Author(s):  
Avishek Guin ◽  
Thukaram Rathod ◽  
Rahul N. Gaykar ◽  
Tony Roy ◽  
Akkattu T. Biju
Keyword(s):  
Lewis Acid ◽  
Ring Opening ◽  
Donor Acceptor ◽  
Acid Catalyzed

Diastereoselective Synthesis of Cycloheptannelated Indoles via Lewis-Acid-Catalyzed (4 + 3)-Cyclization of Donor–Acceptor Cyclopropanes

2020 ◽  
Vol 22 (5) ◽  
pp. 1903-1907 ◽  
Author(s):  
Bao Qiong Li ◽  
Zong-Wang Qiu ◽  
Ai-Jun Ma ◽  
Jin-Bao Peng ◽  
Na Feng ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Diastereoselective Synthesis ◽  
Donor Acceptor ◽  
Acid Catalyzed

scholarly journals Lewis acid catalyzed annulation of spirocyclic donor–acceptor cyclopropanes with exo-heterocyclic olefins: access to highly functionalized bis-spirocyclopentane oxindole frameworks

2019 ◽  
Vol 55 (49) ◽  
pp. 7069-7072 ◽  
Author(s):  
Kuldeep Singh ◽  
Sourav Pramanik ◽  
Trevor A. Hamlin ◽  
Biplab Mondal ◽  
Dinabandhu Das ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Ring Enlargement ◽  
Donor Acceptor ◽  
Acid Catalyzed

Oxindole-activated spiro-DAC is used as synthon to prepare complex bis-spirocyclopentane oxindole frameworks via ring-enlargement.

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