A New Synthesis of Benzofurans from Phenols via Claisen Rearrangement and Ring??Closing Metathesis

TW Tsai, EC Wang, SR Li, YH Chen…

文献索引：Journal of the Chinese Chemical Society, , vol. 51, # 6 p. 1307 - 1318

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被引用次数: 16

摘要

... Journal of the Chinese Chemical Society, 2004, 51 ... Because the oleifinic chemical shifts of 5a in 1H-NMR exhibited at d 4.38 (dd, Jcis,gem = 6.0 Hz, 1.6 Hz, 1H, OCH=CH2), 4.65 (dd, Jtrans,gem = 14.0 Hz, 1.6 Hz, 1H, OCH=CH2), and 6.60 (dd, Jtrans,cis = 14.0 Hz, 6.0 Hz, 3H ...