Asymmetric synthesis of cyclopentanones through dual Lewis acid-catalysed [3+2]-cycloaddition of donor–acceptor cyclopropanes with ketenes

2019 ◽  
Vol 55 (90) ◽  
pp. 13558-13561 ◽  
Author(s):  
Mukulesh Mondal ◽  
Manashi Panda ◽  
Nicholas W. Davis ◽  
Vickie McKee ◽  
Nessan J. Kerrigan
Keyword(s):  
Asymmetric Synthesis ◽  
Lewis Acid ◽  
Acid System ◽  
Donor Acceptor

A dual Lewis acid system promotes the formal [3+2]-cycloaddition of enantioenriched donor–acceptor cyclopropanes with ketenes to afford cyclopentanones.

scholarly journals Donor–acceptor-stabilised germanium analogues of acid chloride, ester, and acyl pyrrole compounds: synthesis and reactivity

2019 ◽  
Vol 10 (16) ◽  
pp. 4402-4411 ◽  
Author(s):  
Mahendra Kumar Sharma ◽  
Soumen Sinhababu ◽  
Pritam Mahawar ◽  
Goutam Mukherjee ◽  
Bhawana Pandey ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Acid Chloride ◽  
Donor Acceptor

Hitherto unknown germaacid chloride (1), germaester (2), and Ngermaacyl pyrrole (3) compounds are stabilised as Lewis acid complexes. Reactivity studies on them yielded compounds such as germaynone (4) and germaacyl thioester (10).

Asymmetric synthesis of N-phenylethyl-2-phenyldecahydroquinolin-4-ones via Lewis acid catalyzed imino-Diels–Alder reaction

2000 ◽  
Vol 11 (12) ◽  
pp. 2509-2523 ◽  
Author(s):  
Renée Paugam ◽  
Emmanuelle Valenciennes ◽  
Linda Le Coz-Bardol ◽  
Jean-Christophe Garde ◽  
Lya Wartski ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Lewis Acid ◽  
Alder Reaction ◽  
Diels Alder ◽  
Diels Alder Reaction ◽  
Acid Catalyzed

Asymmetric synthesis of isoquinuclidines by Diels–Alder reaction of 1,2-dihydropyridine utilizing a chiral Lewis acid catalyst

Tetrahedron ◽  
2012 ◽  
Vol 68 (6) ◽  
pp. 1774-1781 ◽  
Author(s):  
Chigusa Seki ◽  
Masafumi Hirama ◽  
N.D.M. Romauli Hutabarat ◽  
Junko Takada ◽  
Chonticha Suttibut ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Lewis Acid ◽  
Acid Catalyst ◽  
Alder Reaction ◽  
Diels Alder ◽  
Diels Alder Reaction ◽  
Chiral Lewis Acid ◽  
Lewis Acid Catalyst

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

ChemInform Abstract: Investigation of Meyer-Schuster Rearrangement Promoted by a Samarium(III) Triflate/N-Fluorobenzenesulfonimide Lewis Acid System.

ChemInform ◽  
2016 ◽  
Vol 47 (43) ◽  
Author(s):  
Chuan Du ◽  
Xiaoyu Wang ◽  
Shengfei Jin ◽  
Hui Shi ◽  
Yangming Li ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Acid System

ChemInform Abstract: Studies in Asymmetric Synthesis. Part 4. Studies in Lewis Acid and LiClO4 (or Nafion-H) Catalyzed Ionic Diels-Alder Reactions of Chiral and Achiral Olefinic Acetals Respectively.

ChemInform ◽  
2010 ◽  
Vol 30 (27) ◽  
pp. no-no
Author(s):  
R. Kumareswaran ◽  
Padma S. Vankar ◽  
M. Venkat Ram Reddy ◽  
Sangeeta V. Pitre ◽  
Raja Roy ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Lewis Acid ◽  
Diels Alder
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