Pyrrolidine derivatives have been synthesized via chromacyclobutanes formed from the Fischer carbene complex 2b and the aza-enyne 5a; a mechanism is suggested on the basis of the products that are formed.
吡咯烷衍
生物是通过费歇尔碳络合物 2b 和氮杂炔 5a 形成的
铬环丁烷合成的;根据形成的产物提出了一种机理。