Download : Download full-size imageA variety of 2-aroyl(acyl, or carboxyl)-3-vinyl benzo[b]furans have been prepared via C–C bond formation in good to excellent yields by Pd/C-catalyzed cyclization/isomerization of propargylic compounds. The reaction proceeded with easily accessible starting materials and inexpensive catalyst under mild conditions. Furthermore, a number of benzo[b]furan derivatives
下载:下载全图通过Pd / C催化的炔丙基化合物的环化/异构化,通过C-C键的形成,制备了各种2-芳酰基(酰基或羧基)-3-
乙烯基苯并[ b ]
呋喃。反应在温和的条件下用容易获得的原料和廉价的催化剂进行。此外,还已经制备了许多包括
丙二烯官能团的苯并[ b ]
呋喃衍
生物。