| 摘要 |
The invention relates to a process for the preparation of 4-phenylpyrrole derivatives of the formula I <IMAGE> (I) wherein Rn, R1 and R2 are as defined in claim 1, which comprises reacting a phenacylamine of formula II <IMAGE> (II) with a compound of formula III T-CH=CH-R1 (III) to give an intermediate of formula IV <IMAGE> (IV) and cyclizing said intermediate, in the presence of a base, to give the compound I. Important intermediates and novel final products are also described. |
