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1,2-Additions of Organomagnesium Halides to Phosphaalkynes: Synthesis of 2-Phospha-1-vinylmagnesium Halides and a Novel Type of Magnesium-Phosphorus Cage Compound

✍ Scribed by Jens Renner; Uwe Bergsträßer; Paul Binger; Manfred Regitz

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 292 KB
Volume: 2000
Category: Article
ISSN: 1434-1948
DOI: 10.1002/1099-0682(200011)2000:11<2337::aid-ejic2337>3.0.co;2-4

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✦ Synopsis

Grignard reagents such as isopropyl-and tert-butylmagnesium halide (2a: X = Cl; 2b: X = Br) react with tert-butylphosphaacetylene (1) in a regio-and stereoselective 1,2-addition process at -78 °C to give the 2-phospha-1-vinylmagnesium halides 3a,b in high yields. At elevated temperatures, the [ ‡] Part 154: Ref.

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