Stereoselective synthesis of tetrahydro-2H-[2]benzopyrano[3,4-c]pyrrol-3-ones and related compounds as precursors of serotonin 5-HT2C receptor agonists |
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Authors: | Stuart Francis Takao KiyoiMark Reid Keneth DaviesSteven Laats Duncan McArthurHelen Feilden Anna Marie EassonYasuko Kiyoi Grant WishartPeter Ray |
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Institution: | Department of Chemistry, Merck Research Laboratories, MSD, Newhouse, Lanarkshire ML1 5SH, UK |
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Abstract: | Tetrahydro-2H-2]benzopyrano3,4-c]pyrrol-3-ones and the related 3a-methyl-2,3,3a,4,5,9b-hexahydro-1H-benzoe]isoindole analogues were synthesised by an intramolecular Diels-Alder reaction. The observed stereoselectivity was dependent upon the nature of the tethered dienophile as well as the judicious placement of the amide. |
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