| abstract |
Abstract of the disclosure A process for the preparation of bicyclic amino carboxylic acids, intermediates in this process, and their use The invention relates to a process for the preparation of compounds of the formula 1 (I) in which n denotes 1, 2 or 3, R denotes acyl, and R1 denotes alkyl, cycloalkyl, aralkyl or another carboxyl protective group, which comprises radical cyclization of compounds of the formula II (II) in which n, R and R1 are as defined above, and Hal denotes chlorine, bromine or iodine, to intermediates in this pro-cess, and to their use. |