Development of C2-Symmetric Chiral Spirocyclic Phase-Transfer Catalysts: Synthesis and Application to Asymmetric Alkylation of Glycinate Schiff Base

2021 ◽  
Author(s):  
Changming Xu ◽  
Yinsheng Qi ◽  
Xinshuang Yang ◽  
Xiangfan Li ◽  
Zhenpeng Li ◽  
...  
Keyword(s):  
Schiff Base ◽  
Phase Transfer ◽  
Asymmetric Alkylation ◽  
Phase Transfer Catalysts

Orthopalladated complexes as phase-transfer catalysts for asymmetric alkylation of achiral Schiff base esters

2010 ◽  
Vol 35 (8) ◽  
pp. 949-957 ◽  
Author(s):  
Dae Hyun Kim ◽  
Jin Kyu Im ◽  
Dae Won Kim ◽  
Hyunjoo Lee ◽  
Honggan Kim ◽  
...  
Keyword(s):  
Schiff Base ◽  
Phase Transfer ◽  
Asymmetric Alkylation ◽  
Phase Transfer Catalysts

Asymmetric alkylation of glycine imines using in situ generated phase-transfer catalysts

2002 ◽  
Vol 43 (45) ◽  
pp. 8015-8018 ◽  
Author(s):  
Barry Lygo ◽  
Benjamin I. Andrews ◽  
John Crosby ◽  
Justine A. Peterson
Keyword(s):  
Phase Transfer ◽  
Asymmetric Alkylation ◽  
Phase Transfer Catalysts

9-Amino-(9-deoxy)cinchona alkaloid-derived new chiral phase-transfer catalysts

2014 ◽  
Vol 12 (41) ◽  
pp. 8336-8345 ◽  
Author(s):  
Wenwen Peng ◽  
Jingwei Wan ◽  
Bing Xie ◽  
Xuebing Ma
Keyword(s):  
Schiff Base ◽  
Phase Transfer ◽  
Cinchona Alkaloid ◽  
Chiral Phase ◽  
Phase Transfer Catalysts ◽  
Chiral Phase Transfer Catalysts ◽  
High Yields

9-Amino-(9-deoxy)cinchona alkaloid-derived chiral phase-transfer catalysts achieved high yields (92–99%) and excellent enantioselectivities (87–96% ee) in the enantioselective α-alkylation of glycine Schiff base.

C2-Symmetric Chiral Pentacyclic Guanidine: A Phase-Transfer Catalyst for the Asymmetric Alkylation oftert-Butyl Glycinate Schiff Base

2002 ◽  
Vol 114 (15) ◽  
pp. 2956-2958 ◽  
Author(s):  
Tetsuya Kita ◽  
Angelina Georgieva ◽  
Yuichi Hashimoto ◽  
Tadashi Nakata ◽  
Kazuo Nagasawa
Keyword(s):  
Schiff Base ◽  
Phase Transfer ◽  
Phase Transfer Catalyst ◽  
Asymmetric Alkylation
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