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    • 5. 发明授权
    • Erogorgiaene congeners and methods and intermediates useful in the preparation of same
    • 嗜曙红同系物及其制备方法和中间体
    • US07700798B1
    • 2010-04-20
    • US11449143
    • 2006-06-08
    • Huw M. L. DaviesAbbas M. Walji
    • Huw M. L. DaviesAbbas M. Walji
    • C07C69/76
    • C07C67/303C07C29/147C07C67/343C07C67/347C07C2602/10C07C2603/97C07C33/34C07C69/616C07C69/618C07C69/753
    • Disclosed are compounds having the formula: wherein R21 is an alkyl, aryl, alkoxy, hydroxy, or amino group or a halogen atom; wherein R2 is hydrogen or an alkyl, aryl, alkoxy, or amino group; wherein R23 and R24 are independently selected from hydrogen, an alkyl, aryl, alkoxy, hydroxy, or amino group, and a halogen atom or wherein R23 and R24, taken together with the carbon atom to which they are bound, form a ring; wherein R25 is hydrogen, an alkyl, aryl, alkoxy, hydroxy, or O-silyl group or a halogen atom; wherein Z, taken together with the carbons to which it is bonded, forms a 5-12 membered ring; and wherein Y is an electron withdrawing group. These compounds can be used to prepare erogorgiaene congeners, such as erogorgiaene, pseudopterosin A, helioporin E, pseudopteroxazole, colombiasin A, elisapoterosin B, elisabethadione, p-benzoquinone natural products, ileabethin, sinulobtain B, sinulobtain C, and sinulobtain D.
    • 公开了具有下式的化合物:其中R21是烷基,芳基,烷氧基,羟基或氨基或卤素原子; 其中R2是氢或烷基,芳基,烷氧基或氨基; 其中R 23和R 24独立地选自氢,烷基,芳基,烷氧基,羟基或氨基,和卤素原子,或者R 23和R 24与它们所结合的碳原子一起形成环; 其中R 25是氢,烷基,芳基,烷氧基,羟基或O-甲硅烷基或卤素原子; 其中Z与与其键合的碳一起形成5-12元环; 并且其中Y是吸电子基团。 这些化合物可用于制备胡萝卜素同系物,如胡萝卜素,假翅目蛋白A,日莲花素E,假opter azole唑,哥伦布菌素A,依替泊沙星B,伊马替丁,对苯醌天然产物,ileabethin,sinulobtain B,sinulobtain C和sinulobtain D.