The known 5, 5-disubstituted barbituric acids in which one of the substituents is an arylalkyl, cycloalkylalkyl, alkoxyalkyl or aryloxyalkyl are relatively few in number. 5-Ethyl-5- benzylbarbituric acid, although a strong hypnotic, tends to produce convulsions. 3~ 4 The corresponding propyl and isopropyl compounds seem to be of little or no value. 4 5-Ethyl-5- @-phenylethylbarbituric acid lacks the convulsive property of the benzyl compound and is ...
