A new route to the pavine skeleton was investigated starting from the readily accessible tetrahydro-6,12-methanodibenz[c,f]azocine (1,RH or Me); an efficient synthesis of a typical pavine alkaloid (±)-argemonine (6, R = OMe) from (1, R = OMe) was accomplished in 53% overall yield.
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Nomoto et al. (1982) studied this question.
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