| abstract |
The invention relates to a process for the preparation of N-protected 4-methyl-2'--(5H-tetrazolyl)biphenyl of formula (I), in which R is a tetrazole protective group, wherein a compound of formula (II), in which R is a tetrazole protective group, is reacted with a compound of formula (III') in which Hal is halogen, in the presence of a transition metal catalyst, to novel compounds of formula (I) and their use, and to novel intermediates. |