The transformations of 4-heteroarylaminomethylene-5(4<i>H</i>)-oxazolones into dehydropeptide derivatives
作者:Mateja Aljaẑ-Roẑiĉ、Jurij Svete、Branko Stanovnik
DOI:10.1002/jhet.5570320533
日期:1995.9
2-Phenyl-4-heteroarylaminomethylene-5(4H)-oxazolones 3, which were prepared from the corresponding N,N-dimethyl-N'-heteroarylformamidines 1 and hippuric acid 2 in acetic anhydride, react with amino acids giving dehydropeptide derivatives 4, 5, and 6 as products. Dehydration of N-protected peptides 7–10, containing glycine at the C-terminal, followed by the reaction with formamidines 1 gave 2-subst
2-苯基-4- heteroarylaminomethylene-5(4 ħ)-oxazolones 3,其由相应的制备N,N-二甲基N” -heteroarylformamidines 1和马尿酸2在乙酸酐中,与氨基酸给予dehydropeptide衍生物反应4 ,5和6作为产品。脱水的N保护肽7-10,在C端含有甘氨酸,然后与甲form 1反应,得到2-取代的-4-杂芳基氨基亚甲基-5(4 H)-恶唑酮11-14。