Asymmetric Synthesis of Lysergic Acid via an Intramolecular (3+2) Dipolar Cycloaddition/Ring-Expansion Sequence

2021 ◽  
Author(s):  
Upendra Rathnayake ◽  
Philip Garner
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Expansion ◽  
Lysergic Acid ◽  
Dipolar Cycloaddition

ChemInform Abstract: New Route to Pyrido[1,2-b]pyridazinium Inner Salts. Evidence of a 1,3-Dipolar Cycloaddition-Ring Expansion Process.

ChemInform ◽  
2010 ◽  
Vol 30 (17) ◽  
pp. no-no
Author(s):  
Jesus Valenciano ◽  
Ana M. Cuadro ◽  
Juan J. Vaquero ◽  
Julio Alvarez-Builla
Keyword(s):  
Ring Expansion ◽  
Dipolar Cycloaddition ◽  
Expansion Process

The catalytic asymmetric synthesis of CF3-containing spiro-oxindole–pyrrolidine–pyrazolone compounds through squaramide-catalyzed 1,3-dipolar cycloaddition

2019 ◽  
Vol 17 (22) ◽  
pp. 5514-5519 ◽  
Author(s):  
Cui Wang ◽  
Dongwa Wen ◽  
Hui Chen ◽  
Yabo Deng ◽  
Xueting Liu ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
Catalytic Asymmetric Synthesis ◽  
Catalytic Asymmetric

Pharmaceutically important compounds were synthesized through the organocatalytic 1,3-dipolar cycloaddition reaction.

Synthesis, including asymmetric synthesis, of 1-substituted cyclopentenes from cyclobutanones with one-carbon ring-expansion by 1,2-carbon-carbon insertion of magnesium carbenoids

Tetrahedron ◽  
2011 ◽  
Vol 67 (6) ◽  
pp. 1102-1113 ◽  
Author(s):  
Tsuyoshi Satoh ◽  
Yu Awata ◽  
Yuichi Kato ◽  
Shingo Ogata ◽  
Masashi Ishigaki ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Ring Expansion ◽  
Carbon Ring

Catalytic Asymmetric Synthesis of α-Quaternary Proline Derivatives by 1,3-Dipolar Cycloaddition of α-Silylimines

2012 ◽  
Vol 124 (35) ◽  
pp. 8984-8988 ◽  
Author(s):  
Jorge Hernández-Toribio ◽  
Silvia Padilla ◽  
Javier Adrio ◽  
Juan C. Carretero
Keyword(s):  
Asymmetric Synthesis ◽  
Dipolar Cycloaddition ◽  
Catalytic Asymmetric Synthesis ◽  
Catalytic Asymmetric ◽  
Proline Derivatives
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