| abstract |
Novel Indolobenzoxazines of the formula n<CHEM>n and pharmaceutically acceptable salts thereof whereinn (a) R is H, alkyl or aryl,n R<1> is H, alkyl, aralkyl, cycloalkyl or alkenyl,n R<2> is H, halogen or alkyl,n R<3> is H, alkyl or aralkyl, andn R<4> halogen, alkyl, hydroxy or alkoxy,n and their preparation are disclosed. Those novel compounds having antihypertensive protactin inhibiting, and anti-Parkinson activity. |