1,3-dipolar cycloaddition reactions of azomethine ylides on enantiomerically pure (E)-γ-alkoxy-α,β-unsaturated esters.

1991 ◽  
Vol 2 (12) ◽  
pp. 1329-1342 ◽  
Author(s):  
Rita Annunziata ◽  
Mauro Cinquini ◽  
Franco Cozzi ◽  
Laura Raimondi ◽  
Tullio Pilati
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions ◽  
Enantiomerically Pure ◽  
Unsaturated Esters

π-Facial Selectivity in 1,3-Dipolar Cycloaddition Reactions of α-Methylidene-γ-lactone Substituted by 4-Methyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl Group in γ-Position

2002 ◽  
Vol 67 (3) ◽  
pp. 353-364 ◽  
Author(s):  
Petr Melša ◽  
Ctibor Mazal
Keyword(s):  
Double Bond ◽  
Carboxylic Acid ◽  
Nitrile Oxide ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions ◽  
Enantiomerically Pure ◽  
Nitrile Imine ◽  
Facial Selectivity ◽  
Excellent Selectivity

Diastereoselectivity of 1,3-dipolar cycloaddition reactions of benzyl azide, diazomethane, a nitrile oxide and a nitrile imine to α-methylidene-γ-lactone dipolarophile was effectively controlled by a bulky γ-substituent, 4-methyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl in γ-position of the dipolarophile. The dipoles added from the less hindered face of the double bond with an excellent selectivity. Enantiomerically pure dipolarophile was prepared from the easily available (S)-5-oxotetrahydrohydrofuran-2-carboxylic acid.

1,3-Dipolar cycloaddition reactions of benzo[b]thiophene 1,1-dioxide with azomethine ylides

2006 ◽  
Vol 47 (29) ◽  
pp. 5139-5142 ◽  
Author(s):  
Nela Malatesti ◽  
Andrew N. Boa ◽  
Stephen Clark ◽  
Robert Westwood
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions

Regio- and stereoselective 1,3-dipolar cycloaddition reactions between arylideneacetones and stabilized azomethine ylides obtained from ninhydrin and indenoquinoxalinones

2017 ◽  
Vol 53 (12) ◽  
pp. 1315-1323 ◽  
Author(s):  
Alexey Yu. Barkov ◽  
Nikolay S. Zimnitskiy ◽  
Igor B. Kutyashev ◽  
Vladislav Yu. Korotaev ◽  
Vyacheslav Ya. Sosnovskikh
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions ◽  
Stabilized Azomethine Ylides

1,3-Dipolar cycloaddition reactions of azomethine ylides with seven-membered cyclic N-sulfony imines access to polycyclic sulfonamides

Tetrahedron ◽  
2021 ◽  
Vol 77 ◽  
pp. 131766
Author(s):  
Kai-Kai Wang ◽  
Yan-Li Li ◽  
Ying-Jie Lv ◽  
Rong-Hua Shen ◽  
Wei Zhao ◽  
...  
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions

ChemInform Abstract: Azomethine Ylides Derived from Alkyl-(3-oxopiperazin-2-yl)acetates in 1,3-Dipolar Cycloaddition Reactions with N-Aryl Maleimides.

ChemInform ◽  
2014 ◽  
Vol 45 (51) ◽  
pp. no-no
Author(s):  
S. M. Medvedeva ◽  
G. A. Stashina ◽  
S. I. Firgang ◽  
E. S. Malikova ◽  
M. Yu. Krysin ◽  
...  
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions

1,3-Dipolar Cycloaddition Reactions of Azomethine Ylides with a Cellulose-Derived Chiral Enone. A Novel Route for Organocatalysts Development

2012 ◽  
Vol 14 (10) ◽  
pp. 2556-2559 ◽  
Author(s):  
Ariel M. Sarotti ◽  
Rolando A. Spanevello ◽  
Alejandra G. Suárez ◽  
Gustavo A. Echeverría ◽  
Oscar E. Piro
Keyword(s):  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions
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