Diastereoselective Addition of Crotylboronates to Oximes
The addition of E- and Z-crotylboronates 8,9 to aldoximes has been realized in good yields by running the reaction under 4-9 kbar pressure.The direction of the attendant diastereoselectivity was surprising: E-8 led preferentially to the anti-, Z-9 to the syn-N-(β-methylalkyl)hydroxylamines 10, 11.
Hoffmann, Reinhard W.,Endesfelder, Andreas
p. 215 - 220
(2007/10/02)
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