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Synthesis and reaction of secondary and primary diorganozinc reagents using a boron–zinc exchange reaction: A useful method for the stereo- and regioselective formation of new carboncarbon bonds by Eike Hupe; M.Isabel Calaza; Paul Knochel is a Chemistry article available to read on EtoBox.

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Applications of the boron Á/zinc exchange reaction to make new carbon Ã/carbon bonds are reviewed. Functionalized chiral secondary alkylzinc reagents can be prepared by this exchange reaction and allows to perform formal enantioselective Michaeladditions with umpolung of reactivity. The scope of substrate controlled diastereoselective hydroborations can be considerably enhanced by this methodology. A chemoselective approach to difunctionalized arylsilanes is also described.

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Author

Eike Hupe; M.Isabel Calaza; Paul Knochel

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)