O-Isopropylidene derivatives of sugars are readily prepared by using the Lewis acid and dehydrating agent triphenylphosphine polymer-bound/I2 complex. This new method is characterized by smooth, non-equilibrating reaction conditions and a very clean, simple work-up, making it particularly suitable for O-isopropylidenation of sugars under mild conditions and with low environmental impact. © Georg Thieme Verlag Stuttgart.
Triphenylphosphine polymer-bound/iodine complex: A suitable reagent for the preparation of O-isopropylidene sugar derivatives
De Nisco M.;
2006-01-01
Abstract
O-Isopropylidene derivatives of sugars are readily prepared by using the Lewis acid and dehydrating agent triphenylphosphine polymer-bound/I2 complex. This new method is characterized by smooth, non-equilibrating reaction conditions and a very clean, simple work-up, making it particularly suitable for O-isopropylidenation of sugars under mild conditions and with low environmental impact. © Georg Thieme Verlag Stuttgart.File in questo prodotto:
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