Stereoselective ring expansion via bicyclooxonium ion. A novel approach to oxocanes |
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| Authors: | Sakamoto Yasuharu Tamegai Kyoko Nakata Tadashi |
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| Institution: | RIKEN (The Institute of Physical and Chemical Research), Wako, Saitama 351-0198, Japan. |
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| Abstract: | reaction: see text] The stereoselective 1,4-rearrangement-ring expansion of tetrahydrofurans via bicyclo3.3.0]oxonium ions was developed to synthesize oxocanes. On the basis of this rearrangement, the stereoselective synthesis of 2,8-syn-2,8-dimethyloxocane was accomplished. |
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