Fluorous tin azide has been used as a substitute for tributyl tin azide in the conversion of nitriles to tetrazoles. F-Tin azide allows for the facile separation of the tin byproducts from the organic products by fluorous solid phase extraction or fluorous liquid-liquid extraction.
1. Curran, D. P.; Hadida, S.; Kim, S. Y. Tetrahedron, 1999, 55, 8997-9006.
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