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通过苯环邻位取代的α,β-二氯苯丙酸的碱性消除反应可制得Z.E型-α-氯代桂皮酸,再经酰氯化及胺解可分别得到α-氯代桂皮酰胺的Z型及E型异构体。药理实验表明,邻位取代的α-氯代桂皮酰胺中E型体的抗惊作用强于Z型异构体。
The ZE-α-chlorocinnamic acid can be obtained by alkaline elimination reaction of α, β-Dichlorobenzenepropionic acid ortho-substituted with benzene ring, and the α-chlorocinnamic acid amide Of Z-and E-type isomers. Pharmacological experiments show that the ortho-substituted α-chloro-cinnamamide E-form body anti-shock stronger than the Z-isomer.