abstract |
2,5-bisaryl- DELTA <1>-pyrrolines of formula (I) are produced by reacting azides of formula (II) with a trialkylphosphine or a triarylphosphine or a trialkylphosphite or a reduction agent in the presence of a diluting agent and optionally, in the presence of a catalyst, Ar<1> and Ar<2> having the meanings given in the description. |