Abstract:
Camptothecin, camptothecin-like compounds, and their production, a hydroxyl group being introduced into the lactone ring of the skeleton of camptothecin.
Abstract:
Manufacture of Alpha , Beta -dihalo- gamma -hydroxycrotonic lactams by reacting mucohalogenic acid halides with primary amines, as well as the new Alpha , Beta -dihalo- gamma hydroxycrotonic lactams themselves. The new products are valuable intermediates for the production of insecticides and fungicides.
Abstract:
A method for producing 5,6- gamma -pyridone derivatives by oxidation of indole derivatives, and to 5,6- gamma -pyridine derivatives. In the process, compounds of the Formula (II)
are prepared by treating compounds of the Formula (I)