| abstract |
The present invention relates to processes and intermediates for the preparation of compounds of formula (I): n n n n n n n n n n n n or a salt or oxide thereof wherein Alk, M 1 , M 2 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and n are as described herein. n n n n n The present invention also relates to compounds of formula (I) and composition comprising a compound of formula (I). Also disclosed is a method of altering or improving the taste of a composition that includes adding to the composition at least one compound of formula (I), in an amount effective to obtain a modified composition having altered or improved taste relative to an otherwise identical composition lacking said compound. |