abstract |
The present invention relates to a novel process for preparing intermediates of formula (I) and to novel intermediates thereof which are useful in the preparation of inhibitors of enkephalinase and angiotensin converting enzyme. (See formula I) wherein G completes an aromatic ring selected from the group consisting of wherein X1 is selected from the group consisting of S and NH; X2 is selected from the group consisting of 5, 0, and NH; and R is selected from the group consisting of hydrogen, hydroxy, phenyl, and C1-C4 alkoxy. |