Tetrahedron Letters p. 597 - 600 (1998)
Update date:2022-07-30
Topics:
Kobayashi, Yuichi
Takahisa, Eisuke
Usmani, Shahid B.
Coupling reaction of monoacetate 2 and aryl hard nucleophiles is realized for the first time, which consists of the lithium arylborates as hard nucleophiles and NiCl2(PPh3)2 as a catalyst. More importantly, the independent effects of t-BuCN and NaI and their synergistic function are discovered to increase regioselectivity furnishing trans 1,3-isomers 6 as the major products.
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