Total synthesis of (+)-decytospolides A and B

Recent advances in the synthesis of SGLT2 Inhibitors and natural products from carbohydrates

Gliflozins are an important class of drugs used in the treatment of type 2 diabetes, a serious and prevalent condition in modern times. Sodium-glucose co-transporter 2 (SGLT-2) inhibitors represent a recent advancement in diabetes treatment, effectively lowering blood sugar levels in patients with type 2 diabetes. Many monosaccharides and their derivatives, such as glycals, play a key role as building blocks in the synthesis of glycosides, particularly C-glycosides, which possess unique structural stability and biological significance. These compounds are crucial in the total synthesis of natural drugs, branched sugars, and other biologically active molecules. This review highlights the recent advancement in the synthesis of SGLT-2 inhibitors and natural products synthesized from carbohydrates made between 2010 and 2024.

Versatility of glycals in synthetic organic chemistry: coupling reactions, diversity oriented synthesis and natural product synthesis

Glycals, 1,2-unsaturated sugar derivatives, are versatile starting materials for the synthesis of natural products and the generation of novel structural features in Diversity Oriented Synthesis (DOS). The versatility of glycals in synthesis emanates, among others, from the presence of the ring oxygen and the enol-ether type unsaturation, the different types of stable conformations they can adopt depending on the nature of the protecting groups present and the ease with which the protecting groups of the three hydroxy groups could be tailored to suite for a desired manipulation. This review summarizes the literature on the different transformations of the endo glycals into biologically relevant compounds such as chromans, thiochromans, chromenes, thiochromenes, peptidomimetics, bridged benzopyrans etc., as well as on the use of glycals as chiral building blocks for the synthesis of various natural products such as aspicilin, reblastatin, diospongins, decytospolides, osmundalactones, paclitaxel, isatisine, d-fagomine, and spliceostatin, reported post 2014.

Synthesis of amidoglucals and glucal esters via carbonylative coupling reactions of 2-iodoglucal using Mo(CO)6 as a CO source

The synthesis of amidoglucals and glucal esters in good to high yields using 2-iodo-3,4,6-tri-O-acetyl-d-glucal as a substrate, Mo(CO)₆ as a carbon monoxide source and PdCl₂ as a catalyst is reported.