C-glycosylated pyrroles and their application in dipyrromethane and porphyrin synthesis

被引:3
|
作者
Sollert, Carina [1 ]
Kocsi, Daniel [1 ]
Jane, Reuben T. [1 ]
Orthaber, Andreas [1 ]
Borbas, K. Eszter [1 ]
机构
[1] Uppsala Univ, Dept Chem, Angstrom Lab, Box 523, S-75120 Uppsala, Sweden
基金
瑞典研究理事会;
关键词
glycosylation; dipyrromethane; BODIPY; tolyporphin analogues; NATURAL-PRODUCT; BIOLOGICAL EVALUATION; TOLYPORPHIN; BEARING; N-(TRIISOPROPYLSILYL)PYRROLE; RESISTANCE; INDOLES; ANALOGS; COPPER;
D O I
10.1142/S1088424621500723
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Pyrrole C-glycosylated in either the 2- or the 3-position could be prepared by the acid-catalyzed reaction between trichloroacetimidate glycosyl donors and pyrrole, or N-phenyl-trifluoroacetimidate glucosyl donor and N-TIPS pyrrole, respectively. Pyrroles carrying glucose, mannose, galactose and lactose in the 2-position, and glucose in the 3-position were obtained. The configurations of the products could be assigned using a combination of 1D and 2D NMR spectroscopy. A number of undesired background reactions yielding a variety of stereo- and regioisomers were identified; in several cases these could be eliminated. Glycosylpyrroles could be incorporated into mono- and diglycosylated dipyrromethanes, a diglycosylated BODIPY dye, and a monoglycosylated Zn(II) porphyrin without damaging the sugar unit.
引用
收藏
页码:741 / 755
页数:15
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