Counter-rotatable Dual Cinchona Quinuclidinium Salts and Their Phase Transfer Catalysis in Enantioselective Alkylation of Glycine Imines

2021 ◽  
Author(s):  
Jiin Oh ◽  
Jihyeon Park ◽  
Keepyung Nahm
Keyword(s):  
Phase Transfer Catalysis ◽  
Phase Transfer ◽  
Diphenyl Ether ◽  
Phase Transfer Catalyst ◽  
Enantioselective Alkylation

Dual cinchona quinuclidinium salts with a diphenyl ether linker were synthesized and used as powerful asymmetric phase transfer catalyst in the α-alkylation of imines of glycine and alanine ester with...

Enantioselective Alkylation of N -Arylhydrazones Derived from α-Keto Esters and Isatin Derivatives through Asymmetric Phase-Transfer Catalysis

2018 ◽  
Vol 13 (14) ◽  
pp. 1780-1783 ◽  
Author(s):  
Qi-Kai Kang ◽  
Sermadurai Selvakumar ◽  
Natarajan Arumugam ◽  
Abdulrahman I. Almansour ◽  
Raju Suresh Kumar ◽  
...  
Keyword(s):  
Phase Transfer Catalysis ◽  
Phase Transfer ◽  
Keto Esters ◽  
Enantioselective Alkylation ◽  
Isatin Derivatives

Enantioselective alkylation using a new C3 symmetric amine-based chiral phase-transfer catalyst

2003 ◽  
Vol 44 (21) ◽  
pp. 4073-4075 ◽  
Author(s):  
Nobuyuki Mase ◽  
Takahiro Ohno ◽  
Naoki Hoshikawa ◽  
Kazuhiro Ohishi ◽  
Hironao Morimoto ◽  
...  
Keyword(s):  
Phase Transfer ◽  
Phase Transfer Catalyst ◽  
Chiral Phase ◽  
Enantioselective Alkylation

A new active catalyst species for enantioselective alkylation by phase-transfer catalysis

Tetrahedron ◽  
1994 ◽  
Vol 50 (15) ◽  
pp. 4507-4518 ◽  
Author(s):  
Martin J. O'Donnell ◽  
Shengde Wu ◽  
John C. Huffman
Keyword(s):  
Phase Transfer Catalysis ◽  
Phase Transfer ◽  
Active Catalyst ◽  
Enantioselective Alkylation
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