TF2O AMIDE ADDUCTS - VERSATILE REAGENTS FOR THE SYNTHESIS OF IMIDATESAND AMIDINES/

Citation
S. Sforza et al., TF2O AMIDE ADDUCTS - VERSATILE REAGENTS FOR THE SYNTHESIS OF IMIDATESAND AMIDINES/, Tetrahedron letters, 39(7), 1998, pp. 711-714
Citations number
14
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
39
Issue
7
Year of publication
1998
Pages
711 - 714
Database
ISI
SICI code
0040-4039(1998)39:7<711:TAA-VR>2.0.ZU;2-F
Abstract
The Vilsmeier reagents generated from tertiary and secondary aliphatic and aromatic amides and trifluoromethanesulfonic anhydride (Tf2O) rea cted with different nucleophiles (ROH, RSH, RNH2) affording the relati ve iminium and amidinium salts. The former, stable at room temperature , were easily transformed into the corresponding esters or O-alkyl thi oesters by treatment with OK or SK. (C) 1998 Elsevier Science Ltd. All rights reserved.