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Synthesis of Phosphorus Ylides at a Cobalt-Complex Center

✍ Scribed by Univ.-Doz. Dr. Hans-Friedrich Klein; Dipl.-Chem. Reinhard Hammer

Publisher
John Wiley and Sons
Year
1976
Tongue
English
Weight
233 KB
Volume
15
Category
Article
ISSN
0044-8249

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Reaction of ␣-hydroxy ketones, furoin (1a) and/or benzoin (1b), with an appropriate phosphorus ylide (6a-d) provides access to new alkenes E-8a-d, 15, 16 and/or furan derivatives 11a,b and 21. Furthermore, reaction of 1a,b with arylidenephosphorane 7 led to the formation of the respective dioxolo co