[CH3:1][O:2][C:3](=[O:10])[CH:4]([O:8][CH3:9])[C:5](O)=[O:6].[F:11][C:12]([F:19])([C:15]([F:18])([F:17])[F:16])[CH2:13][NH2:14]>>[CH3:1][O:2][C:3](=[O:10])[CH:4]([O:8][CH3:9])[C:5]([NH:14][CH2:13][C:12]([F:19])([F:11])[C:15]([F:18])([F:17])[F:16])=[O:6]2-Methoxy-malonic acid monomethyl ester was coupled with 2,2,3,3,3-pentafluoro-propylamine in analogy to the description in Example 73 to yield 2-methoxy-N-(2,2,3,3,3-pentafluoro-propyl)-malonamic acid methyl ester as colourless oil,
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