pyrrolenines are developed and used to construct a pyrrolylmethyl-pyrrolenine (24) of the type postulated to be an intermediate in the rearrangement which generates the natural type-III porphyrins; the synthetic system is found to undergo ready proton-catalysed rearrangement which models the proposed biosynthetic process and thus shows its feasibility.
开发了通往2,2-二取代的
吡咯啉的合成途径,并用于构建假定为重排的中间体的
吡咯基甲基-
吡咯啉(24),其产生天然的III型
卟啉。发现该合成系统已经过质子催化的重排,该重排可对拟议的
生物合成过程进行建模,从而证明其可行性。