The present invention relates to processes and intermediates for the preparation of compounds of formula (I):
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.
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.
本发明涉及用于制备化合物的过程和中间体的方法的中间体,其
化学式为(I):或其盐或氧化物,其中Alk,M1,M2,R1,R2,R3,R4,R5,R6,R7和n如本文所述。本发明还涉及化合物的
化学式(I)以及包含化合物的组合物(I)。还公开了一种改变或改进组合物口味的方法,该方法包括向组合物中添加至少一种
化学式(I)的化合物,添加量有效以获得相对于缺少该化合物的相同组合物具有改变或改进口味的改良组合物。