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Electron-diffraction investigation of phosphorus pentafluoride and pentachloride

✍ Scribed by G. V. Romanov; V. P. Spiridonov


Publisher
SP MAIK Nauka/Interperiodica
Year
1967
Tongue
English
Weight
137 KB
Volume
8
Category
Article
ISSN
0022-4766

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Phosphorus Pentachloride (PCl5) Mediated
✍ Hashem Sharghi; Alirezaβ€…Hassani Nejad πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 German βš– 147 KB

## Abstract A new synthesis of porphyrins from pyrrole and substituted benzaldehydes is described, with PCl~5~ as catalyst. Aromatic aldehydes condense irreversibly with pyrrole in the presence of this catalyst, and aerobic oxidation of porphyrinogen provides functionalized porphyrins in yields of