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ChemInform Abstract: Tellurium-Zinc Exchange Reaction. A New Preparative Method of Alkenylzinc Reagents.

✍ Scribed by J. TERAO; N. KAMBE; N. SONODA

Book ID
112038537
Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
27
Category
Article
ISSN
0931-7597

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Diaryltellurides 2 and diarylditellurides 3 undergo a smooth tellurium-zinc exchange reaction in the presence of catalytic amounts of Ni(acac)2 (5-10 mmol %) leading to arylzinc derivatives 1. The reaction can be extended to the preparation of alkylzinc compounds and allows a stereoselective cycliza