摘要 |
<p>The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R<sup>1</sup> to R<sup>6</sup> and R<sup>7a</sup>, R<sup>7b</sup>, R<sup>7c</sup> are defined according to claim 1. Furthermore the present invention relates to processes for preparing educts and intermediates in the above processes and to intermediates as such.</p> |