Y-Alkoxyallyltins

In the presence of BF-, etherate, 1 isomerizes to y-alkoxyallyltins, which react with aryl aldehydes to form mainly sy/t-a-glycol monoethers (equation II). How-... 

Chiral acyliminiums were used for the preparation of enantiopure piperidines [267]. Recently, the use of enantio-enriched y-alkoxyallyltins onto chiral acyl iminiums [268] provided a new entry into the synthesis of potential precursors of a-amino-/3-hydroxy adds or aminosugars, with a total control of the stereochemistry. 

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