2,2-二氯-1-甲基-环丙烷羰酰氯 、 聚甘氨酸 在
ice 、 乙醚 作用下,
以
sodium hydroxide 为溶剂,
反应 0.5h,
以4.5 g (74% of theory) of N-(2,2-dichloro-1-methylcyclopropanoyl)-glycine of melting point 139-140° C. are obtained的产率得到N-(2,2-dichloro-1-methylcyclopropanoyl)-glycine
Fungicidal cyclopropanoylamino acid amide derivative of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and represent hydrogen or alkyl; Q represents an unsubstituted or substituted straight-chain or branched alkylene chain, or together with the radical R.sup.4 and the nitrogen atom forms a pyrrolidine ring; A represents a straight-chain or branched alkylene chain; n represents the number 0 or 1 and Ar represents unsubstituted or substituted aryl.