A partial synthesis of picrasin B and Δ2-picrasin B

Add time:07/13/2019    Source:sciencedirect.com

The regioselective reductive demethylation of the O-methyldiosphenol functionality in the A ring of quassin (3) with chlorotrimethylsilane and sodium iodide furnished picrasin B (1). Swern oxidation of 1 furnished Δ2-picrasin B (2), and O-methylation of 2 regenerated quassin (3).

We also recommend Trading Suppliers and Manufacturers of PICRASIN-B (cas 26121-56-2). Pls Click Website Link as below: cas 26121-56-2 suppliers

Prev:Synthesis and some chemical properties of the 6-arylsulfonyl-6-polyfluoroalkanoyl-5,6-dihydro-2H-thiins—new fluorine-containing ketones
Next:An enantioselective total synthesis of (+)-picrasin B)