Urethanes have been prepared by reaction of the amines m-RNH2 or p-RNH2[R = C6H4·N(CH2·CH2Cl)2] with chloroformates. The products, after removal of protecting groups, include p-RNH·CO·O·C6H4·CO2H (o-, m-, and p-), m-RNH·CO·O·C6H4·CO2H(m-), O-(p-RNH·CO)-serine, and O-(p-RNH·CO)-threonine. Terephthalic amides, (p-RNH·CO)2C6H4 and (p-RNH·CO)C6H4·CO2Me, and phthalimides, C6H4(CO)2NR (m- and p-), are also
通过使胺m -RNH 2或对-RNH 2 [R = C 6 H 4 ·N(CH 2 ·CH 2 Cl)2 ]与
氯甲酸酯反应制备
氨基甲酸酯。该产品,除去保护基团后,包括p -RNH·CO·O·C ^ 6 ħ 4 ·CO 2 H(ø - ,米- ,和p - ),米-RNH·CO·O·C ^ 6 ħ 4 ·CO 2 H(m -),O-(p-RNH·CO)-
丝氨酸和O-(p -RNH·CO)-苏
氨酸。
对苯二甲酸酰胺,(p -RNH·CO)2 C ^ 6 ħ 4和(p -RNH·CO)C 6 H ^ 4 ·CO 2 Me和邻苯二甲
酰亚胺,C 6 H ^ 4(CO)2 NR(米-和p - ),也有介绍。