Synthesis of arylboronates via the palladium (0)-catalyzed cross-coupling reaction of tetra (alkoxo) diborons with aryl triflates
T Ishiyama, Y Itoh, T Kitano, N Miyaura
Index: Ishiyama, Tatsuo; Itoh, Yoshiya; Kitano, Takahiro; Miyaura, Norio Tetrahedron Letters, 1997 , vol. 38, # 19 p. 3447 - 3450
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Citation Number: 328
Abstract
The cross-coupling reaction of (RO) 2BB (OR) 2 (RO= methoxo and pinacolato) with aryl triflates to give arylboronates was carried out at 80° C in the presence of PdCl2 (dppf)(3 mol%), dppf (3 mol%) and KOAc (3 equivs) in dioxane. The reaction was available with various functional groups such as nitro, cyano, ester, and carbonyl groups.
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