✦ LIBER ✦
Stepwise syntheses of unsymmetrical tetra-arylporphyrins. Adaptation of the macdonald dipyrrole self-condensation methodology
✍ Scribed by David M. Wallace; Kevin M. Smith
- Book ID
- 104221858
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 245 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
A new synthetic route to meso-tetraarylporphyrins [e.g. (12,13)] using a MacDonald-type 2+2 condensation is established. The method presented here shows wide applicability for the preparation of 5,10,15,20-tetra-arylsubstituted porphyrins with two-fold rotational symmetry. The 2+2 method is further extended to give a tetraqlporphyrin (14) bearing four different aryl groups in a predesignated array.