intramolecular cycloadditions of α-allyloxycarbonylnitrones: stereoselective synthesis of...

2002 furan derivatives furan derivatives R 0060 47 - 092 Intramolecular Cycloadditions of α-Allyloxycarbonylnitrones: Stereoselective Synthesis of 3-Amino-2(5H)furanones. — α- Allyloxycarbonylnitrones smoothly undergo cyclization to furoisoxazolidines. Treatment of the latter with NaH leads to 3-aminofuranones via novel frag- mentation of the isoxazolidine nucleus. — (CHIACCHIO, UGO; CORSARO, ANTONIO; IANNAZZO, DANIELA; PIPERNO, ANNA; PROCOPIO, ANTO- NIO; RESCIFINA, ANTONIO; ROMEO, GIOVANNI; ROMEO, ROBERTO; J. Org. Chem. 67 (2002) 12, 4380-4383; Dip. Sci. Chim., Univ. Catania, I-95125 Catania, Italy; EN) 1

Upload: ugo-chiacchio

Post on 06-Jun-2016

212 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

Page 1: Intramolecular Cycloadditions of α-Allyloxycarbonylnitrones: Stereoselective Synthesis of 3-Amino-2(5H)furanones

2002 furan derivatives

furan derivativesR 0060

47 - 092Intramolecular Cycloadditions of α-Allyloxycarbonylnitrones:Stereoselective Synthesis of 3-Amino-2(5H)furanones. — α-Allyloxycarbonylnitrones smoothly undergo cyclization to furoisoxazolidines.Treatment of the latter with NaH leads to 3-aminofuranones via novel frag-mentation of the isoxazolidine nucleus. — (CHIACCHIO, UGO; CORSARO,ANTONIO; IANNAZZO, DANIELA; PIPERNO, ANNA; PROCOPIO, ANTO-NIO; RESCIFINA, ANTONIO; ROMEO, GIOVANNI; ROMEO, ROBERTO;J. Org. Chem. 67 (2002) 12, 4380-4383; Dip. Sci. Chim., Univ. Catania,I-95125 Catania, Italy; EN)

Supplementary Information Cycloadditions” of“A theoretical ...1 Supplementary Information of“A theoretical Study of an Electronically Mismatched Diels -Alder Cycloadditions”

Fused and spiro furanones from tetronic acid synthons: Oxa ... print... · Fused and spiro furanones from tetronic acid synthons: ... Oxa and azacycles featuring the butenolide ring

Stereoselective Oxidation and Reduction Reactions

Stereoselective synthesis: chiral auxiliariesgjrowlan/stereo2/lecture4.pdf · 123.702 Organic Chemistry Stereoselective synthesis: chiral auxiliaries • Chiral auxiliary - allows

Chiral Lewis Acid Catalysts in Diels-Alder Cycloadditions

REGIOCONTROLLED 1,3-DIPOLAR CYCLOADDITIONS OF …

(2-Bromoethyl)sulfonium Trifluoromethanesulfonates in Stereoselective ... · (2-Bromoethyl)sulfonium Trifluoromethanesulfonates in Stereoselective Annulation Reactions for the Formation

Intermolecular 1,3=Dipolar Cycloadditions of Miinchnones ...bcoppola/publications/06.Coppola_Tet_1994... · Cycloadditions of mtinchnones with acetylenic dipolarophiles 95 generally

1 Stereoselective Glycosylations – Additions to

Stereoselective synthesis of fused tetrahydroquinazolines ... · Stereoselective synthesis of fused tetrahydroquinazolines through one-pot double [3 + 2] dipolar cycloadditions followed

Transition Metal-Catalyzed Intramolecular [4 + 2] Cycloadditions

Strain-Promoted Alkyne-Nitrone Cycloadditions: Developing