## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Olefin Cyclopropanation Catalyzed by New Diiminophosphorane and Triiminophosphorane Complexes of Copper and Palladium.
β Scribed by Laurence Beaufort; Albert Demonceau; Alfred F. Noels
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 36 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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The reaction of 1,2-diamines la-c with Ph3PBr2 in the presence of triethylamine gives rise to the corresponding diphosphonium salts 2a-c in good yields. Treatment of these salts with NaH at room temperature in CH,Cl, affords the diiminophosphoranes 3a-c in near quantitative yields. Derivatives 3a,b