Formation of an unusual dimeric compound by lead tetraacetate oxidation of a corynanthe-type indole alkaloid,mitragynine |
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| Authors: | Takayama Hiromitsu Ishikawa Hayato Kitajima Mariko Aimi Norio |
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| Institution: | Graduate School of Pharmaceutical Sciences, Chiba University, Japan. htakayam@p.chiba-u.ac.jp |
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| Abstract: | Lead tetraacetate oxidation of a Corynanthe-type indole alkaloid, mitragynine, produced mainly 7-acetoxyindolenine derivative (2) together with a dimeric compound (4) as a minor product. The novel structure having a bridge between the C-11' and C-7 positions in the respective indolenine parts and its formation mechanism were studied. |
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