Ch3 c ch3 2 ch2oh. Цепочка превращений ch3-ch2-ch2-oh=ch2. c6h5-ch=ch-cooh. c6h5cooh ch3oh. c6h5cooh ch3oh h2so4 конц.

Ch3 c ch3 2 ch2oh. Цепочка превращений ch3-ch2-ch2-oh=ch2. c6h5-ch=ch-cooh. c6h5cooh ch3oh. c6h5cooh ch3oh h2so4 конц.
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