申请人:North Carolina State University
公开号:US05162532A1
公开(公告)日:1992-11-10
Compounds of Formula I ##STR1## are made in accordance with the following scheme: ##STR2## wherein R may be loweralkyl; R.sub.1 may be H, loweralkyl, loweralkoxy, or halo; R.sub.2, R.sub.3, R.sub.4, and R.sub.5 may each independently be H, amino, hydroxy, loweralkyl, loweralkoxy, loweralkylthio, di(loweralkyl)amino, cyano, methylenedioxy, formyl, nitro, halo, trifluoromethyl, aminomethyl, azido, amido, hydrazino, or any of the twenty standard amino acids bonded to the A ring via the amino-nitrogen atom; Y is H and W and X are halogen. Also disclosed are novel processes for making starting materials for the scheme given above, and novel intermediates employed in these processes.
根据以下方案制备Formula I的化合物##STR1##:##STR2##其中R可以是较低的烷基;R.sub.1可以是H、较低的烷基、较低的烷氧基或卤素;R.sub.2、R.sub.3、R.sub.4和R.sub.5可以分别是H、氨基、羟基、较低的烷基、较低的烷氧基、较低的烷硫基、二(较低的烷基)氨基、氰基、亚甲二氧基、甲酰基、硝基、卤素、三氟甲基、氨甲基、叠氮基、酰胺基、叠氮基或通过氨基氮原子与A环键合的二十种标准氨基酸中的任何一种;Y为H,W和X为卤素。还公开了用于制备上述方案的起始材料的新工艺,以及在这些工艺中使用的新中间体。