| 摘要 |
PURPOSE: To obtain a new sweetener derived from L-glutamic acid and capable of addition to a soft drink, an alcoholic drink, a processed food, cosmetics, etc., by condensing two kinds of specified compds. CONSTITUTION: α-L-glutamyl-5-aminopyridine-2-carbonitrile and 5,6,7,8- tetrahydro-1-naphthoyl or 1-naphthoyl compound are condensed to obtain the objective sweetener of a compd. represented by formula I (where R is a 5,6,7,8- tetrahydro-1-naphthoyl radical represented by formula II or a 1-naphthoyl radical represented by formula III, R' is a 2-cyanopyrid-5-yl radical represented by formula IV and n=2), e.g. a compd. represented by formula V. |
