Branched amides of L-aspartyl-D-amino acid dipeptides

Details Branched amides of L-aspartyl-D-amino acid dipeptides Branched amides of L-aspartyl-D-amino acid dipeptides

1986-12-18

1989-01-10

Siegel, Alan

Food or edible material: processes, compositions, and products

Products per se, or processes of preparing or treating...

Noncarbohydrate sweetener or composition containing same

426548, 549 38, C07D33902, A23L 1236

Patent

active

047972980

ABSTRACT:
Amides of L-aspartyl-D-amino acid dipeptides of the formula ##STR1## and physiologically acceptable cationic and acid addition salts thereof wherein R.sup.a is methyl, hydroxymethyl, ethyl, n-propyl or isopropyl; R is ##STR2## where at least one of R.sup.3, R.sup.4, R.sup.5, R.sup.6 is alkyl having from one to four carbon atoms and the remainder are hydrogen or alkyl having from one to four carbon atoms, and the sum of the carbon atoms in R.sup.3, R.sup.4, R.sup.5 and R.sup.6 is not greater than six; and when both of R.sup.3 and R.sup.4 or R.sup.5 and R.sup.6 are alkyl, they are methyl or ethyl.
Said amides are potent sweeteners having advantages over the prior art, edible compositions containing them, methods for their use in edible compositions and novel amine and amide intermediates useful in their production.

REFERENCES:
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Ariyoshi et al., Bull. Chem. Soc., Japan, 47, 326 (1974).
Fujino et al., Chem. Pharm. Bull., 24, 2112 (1976).
Myoshi et al., Bull. Chem. Soc., Japan, 51, 1433 (1978).

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