Vinyl Azides Derived from Allenes: Thermolysis Leading to Multisubstituted 1,4-Pyrazines and Mn(III)-Catalyzed Photochemical Reaction Leading to Pyrroles
作者:K. V. Sajna、K. C. Kumara Swamy
DOI:10.1021/jo301694n
日期:2012.10.5
conditions furnished a new route for 1,4-pyrazines. A simple one-pot, Mn(III)-catalyzed photochemical route has been developed for multisubstituted pyrroles starting from allenes and 1,3-dicarbonyls via in situ-generated vinyl azides. The utility of new phosphorus-based pyrroles is also demonstrated in the Horner reaction. The structures of key products are unequivocally confirmed by X-ray crystallography
磷基乙烯基叠氮化物在无溶剂和无催化剂条件下的热解为1,4-吡嗪提供了一条新途径。已经开发了一种简单的一锅锰(Ⅲ)催化的光化学路线,用于通过原位生成的乙烯基叠氮化物从丙二烯和1,3-二羰基开始的多取代吡咯。在霍纳反应中也证明了新的基于磷的吡咯的效用。X射线晶体学清楚地证实了关键产品的结构。