(VI).. ilkylation of I and 1-1 with dialkylaniinoalkyl chlorides was best carried out with sodium hydride in dirnet. hy1 sulfoxide. In addition, I and VI were allowed to react wit, h 3- chloropropionyl chloride and the resulting 5-(~-chloropropiollyl) derivatives convert, ed to 5- (3-monoalkyl-and 3-dialkylaminoacyl) derivatives. I and phosgene gave the 5-carbonyl chloride, and this derivative with dialkylamino alcohols and dialkylaminoalkylamines gave ...
