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Ytterbium triisopropoxide catalysed ring opening of epoxides with trimethylsilyl azide

โœ Scribed by Meguro, Masaki; Asao, Naoki; Yamamoto, Yoshinori

Book ID
120190608
Publisher
The Royal Society of Chemistry
Year
1995
Tongue
English
Weight
247 KB
Volume
10
Category
Article
ISSN
0022-4936

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The ring-opening of functionalized epoxides with trimethylsilyl azide in the presence of a catalytic amount of Ti(O-i-l%)4 or Al@-i-F?)3 is described. The reaction is stereo8pecific and highly regiospecific, leading generally to the formation of the carbon-azido bond on the less substituted carbon.