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A novel way of preparingmeso-substituted ethynylporphyrins and their derivatives by using 1,2,3-thiadiazole as a protecting group

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
39
Issue
52
Identifiers
DOI: 10.1016/s0040-4039(98)02247-3
Keywords
  • Porphyrins
  • Alkynes
  • 3-Thiadiazoles
  • Coupling Reactions

Abstract

Abstract Meso-(1,2,3-thiadiazol-4-yl) porphyrins are smoothly transformed to the corresponding ethynyl derivatives using potassium tert-butoxide as base. Some metal-catalyzed coupling reactions of these acetylenes are described.

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