已知:
RCOOR'+R''OHRCOOR''+ R'OH(R、R'、R''代表烃基)
(1)A属于芳香烃,其结构简式是
(2)C→D的反应类型是
(3)E属于酯类。仅以乙醇为有机原料,选用必要的无机试剂合成E,写出有关化学方程式:
(4)已知:2E F+C2H5OH。F所含官能团有和
(5)以D和F为原料合成羟甲香豆素分为三步反应,写出有关化合物的结构简式:
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2