An inexpensive and new triphenylphosphine‐based palladacycle has been developed as a pre‐catalyst leading to highly effective Stille cross coupling reactions in water under mild conditions. Only 500‐1000 ppm of Pd suffices for couplings involving a variety of aryl/heteroaryl halides with aryl/hetaryl stannanes. Several drug intermediates can be prepared using this catalyst in aqueous nanoreactors formed by 2 wt % Brij‐30 in water.
Mild and robust Stille reactions in water using ppm levels of a new triphenylphosphine‐based palladacycle
Casotti, Gianluca;
2020-01-01
Abstract
An inexpensive and new triphenylphosphine‐based palladacycle has been developed as a pre‐catalyst leading to highly effective Stille cross coupling reactions in water under mild conditions. Only 500‐1000 ppm of Pd suffices for couplings involving a variety of aryl/heteroaryl halides with aryl/hetaryl stannanes. Several drug intermediates can be prepared using this catalyst in aqueous nanoreactors formed by 2 wt % Brij‐30 in water.File in questo prodotto:
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