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Homolytic Substitution at Phosphorus for the Synthesis of Alkyl and Aryl Phosphanes

✍ Scribed by Santiago E. Vaillard; Christian Mück-Lichtenfeld; Stefan Grimme; Armido Studer


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
135 KB
Volume
46
Category
Article
ISSN
0044-8249

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Homolytic Substitution at the Sulfur Ato
✍ David Crich 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 German ⚖ 220 KB

## Abstract The use of intramolecular homolytic substitution at the sulfur atom by aryl and vinyl radicals, as an alternative to the use of alkyl halides, and chalcogenides as radical precursors in organic synthesis is reviewed.

Bis- and tris(diazomethyl)phosphanes - n
✍ Harald Keller; Manfred Regitz 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 234 KB

The bisand tris(diazomethyl)phosphanes 5 and12 , obtained by electrophilic diasoalkane substitution of 4 or PC13 with lithiated 3 , are starting materials for complicated, heteroatom-substituted compounds. Thus, [3+2]-cycloadditions with the phosphaalkyne 9 and subsequent [1,5]-Tms shifts give rise