The efficient and regioselective synthesis of the naphthoquinone core of streptovaricin U

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Masaaki Miyashita, Takahiro Yamasaki, Tomonori Shiratani, Susumi Hatakeyama, Masahiro Miyazawa and Hiroshi Irie


Abstract

The efficient and regioselective synthesis of the naphthoquinone core of streptovaricin U 1 via the Diels–Alder reaction of 1-methoxy-2-methyl-3-trimethylsilyloxybuta-1,3-diene 5 with the 2,6-dibromo-3-methyl-1,4-benzoquinone 6 is described.


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