作者:Alexandra M. Young、Amber L. Von Ruden、Timothy D. Lash
DOI:10.1039/c1ob05603d
日期:——
acetate under acidic conditions. Oxidations with silver acetate also afforded oxophlorin analogues where the oxo-linkage was selectively formed at the 5-position. The pyrazole-containing porphyrinanalogues are cross-conjugated and exhibit only a small degree of diatropic character. The internal CH resonances were observed between 5.27 and 5.87 ppm, while the external meso-protons fell into a range of 6