Porphyrins with exocyclic rings. Part 5. Synthesis of a naphtho[1,2-b]porphyrin.
β Scribed by Timothy D. Lash; Carl P. Denny
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 524 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0040-4020
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π SIMILAR VOLUMES
Tripyrrane dibenzyl esters are readily available from the reaction of two equivalents of 5-acetoxymethylpyrrole-2-carboxylates with 2,5-diunsubstituted pyrroles in refluxing acetic acid-ethanol. Hydrogenolysis of the benzyl ester moieties affords the corresponding dicarboxylic acids, and subsequent
Porphyrins with Exocyclic Rings. Part 11. Synthesis and Characterization of Phenanthroporphyrins, a New Class of Modified Porphyrin Chromophores. -Phenanthro[9,10-c]pyrroles (III) are prepared from nitrophenanthrene (I) and isocyanoacetic acid esters under Barton-Zard conditions. Compounds (III) ar
The 3-alkyl-4,5,6,7\_tetrahydroindoles 4a and 4b reacted with -lead tetraacetate in acetic acid to give the corresponding 7acetoxy derivatives; hydrolysis, followed by treatment with potassium ferricyanide in refluxing acetic acid afforded the novel porphyrins 6a and 6b. --Recently o variety of nick