scholarly journals Asymmetric Synthesis of New β,β-Difluorinated Cyclic Quaternary α-Amino Acid Derivatives

2007 ◽  
Vol 9 (9) ◽  
pp. 1841-1841
Author(s):  
Santos Fustero ◽  
Maria Sánchez-Roselló ◽  
Vanessa Rodrigo ◽  
Carlos del Pozo ◽  
Juan F. Sanz-Cervera ◽  
...  
Keyword(s):  
Amino Acid ◽  
Asymmetric Synthesis ◽  
Amino Acid Derivatives

One-Pot Asymmetric Synthesis of β-Cyanohydroxymethyl α-Amino Acid Derivatives:  Formation of Three Contiguous Stereogenic Centers

2002 ◽  
Vol 4 (25) ◽  
pp. 4519-4522 ◽  
Author(s):  
Shin-ichi Watanabe ◽  
Armando Córdova ◽  
Fujie Tanaka ◽  
Carlos F. Barbas
Keyword(s):  
Amino Acid ◽  
Asymmetric Synthesis ◽  
Amino Acid Derivatives ◽  
One Pot ◽  
Stereogenic Centers

Asymmetric Synthesis of Oxindole-Derived Vicinal Tetrasubstituted Acyclic Amino Acid Derivatives by the Mannich-Type Reaction

2020 ◽  
Vol 85 (15) ◽  
pp. 9661-9671 ◽  
Author(s):  
Ke-Qiang Hou ◽  
Feng Zhou ◽  
Xue-Ping Chen ◽  
Yang Ge ◽  
Albert S. C. Chan ◽  
...  
Keyword(s):  
Amino Acid ◽  
Asymmetric Synthesis ◽  
Amino Acid Derivatives ◽  
Type Reaction

scholarly journals Substrate-controlled Diastereoselective Michael Addition of Alkylidene Malonates by Grignard Reagents

2019 ◽  
Vol 25 (1) ◽  
pp. 116-121
Author(s):  
Wei Zhou ◽  
Qingwei Xiao ◽  
Yuanyuan Chang ◽  
Qifa Liu ◽  
Xiaohao Zang ◽  
...  
Keyword(s):  
Amino Acid ◽  
Asymmetric Synthesis ◽  
Michael Addition ◽  
Chiral Auxiliary ◽  
Grignard Reagents ◽  
Amino Acid Derivatives ◽  
Catalyst Free ◽  
Chemical Efficiency

AbstractHerein is described a diastereoselective Michael addition of Grignard reagents to α, β- unsaturated diethyl malonates incorporated with a 2-oxazolidone chiral auxiliary. The catalyst-free Michael addition proceeds with good chemical efficiency and excellent stereoselectivity; and it provides new thoughts to the asymmetric synthesis of β-substituted β3 amino acid derivatives.

Catalytic asymmetric synthesis of cyclic α-alkyl-amino acid derivatives by C,N-double alkylation

Tetrahedron ◽  
2010 ◽  
Vol 66 (26) ◽  
pp. 4900-4904 ◽  
Author(s):  
Taichi Kano ◽  
Ryu Sakamoto ◽  
Haruka Mii ◽  
Yong-Gang Wang ◽  
Keiji Maruoka
Keyword(s):  
Amino Acid ◽  
Asymmetric Synthesis ◽  
Amino Acid Derivatives ◽  
Catalytic Asymmetric Synthesis ◽  
Catalytic Asymmetric
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