A reactive ten-membered ring enyneâallene (Ï25 °C = 5â6 min) is efficiently generated (Φ300 nm = 0.57) by UV irradiation of a thermally stable precursor in which a triple bond is masked as a cyclopropenone moiety.
通过紫外线照射热稳定前体(其中三键被掩蔽),有效生成反应性十元环烯炔-
丙二烯(Ï25 °C = 5 – 6 分钟)(Δ300 nm = 0.57)作为
环丙烯酮部分。