Two concurrent pathways of the reaction of pyrrolobenzoxazinetriones with cyclic alkoxyolefins. Synthesis of alkaloid-like pentacyclic 6/6/5/6/5- and 6/6/5/6/6-angularly fused heterocycles
作者:E. E. Stepanova、M. V. Dmitriev、P. A. Slepukhin、A. N. Maslivets
DOI:10.1134/s1070428017010134
日期:2017.1
3-Aroylpyrrolo[2,1-c][1,4] benzoxazine-1,2,4-triones reacted with 2,3-dihydrofuran and 3,4-dihydro- 2II-pyran to give mixtures of the corresponding hetero-Diels-Alder and Michael addition products.