Sesquiterpene Quinones/Hydroquinones from the Marine Sponge Spongia pertusa Esper.
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DOI: 10.1021/acs.jnatprod.6b01105
Abstract: Nine new sesquiterpene quinones/hydroquinones (1-7, 10, and 12), three solvent-generated artifacts (8, 9, and 11), and three known compounds, 5-epi-smenospongine (13), smenospongine (14), and smenospongiadine (15), were isolated from the marine sponge Spongia pertusa Esper.… read more here.
Keywords: sponge spongia; pertusa esper; quinones hydroquinones; spongia pertusa ... See more keywords
Iron catalyzed C–C dehydrogenative coupling reaction: synthesis of arylquinones from quinones/hydroquinones
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DOI: 10.1039/d1ra08828a
Abstract: An atom-economical approach for the synthesis of arylquinones was achieved successfully via direct oxidative C–C dehydrogenative coupling reaction of quinones/hydroquinones with electron-rich arenes using an inexpensive Fe–I2–(NH4)2S2O8 system. The efficiency of this catalytic approach was… read more here.
Keywords: coupling reaction; dehydrogenative coupling; synthesis arylquinones; quinones hydroquinones ... See more keywords