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(133) Morphinan

(134) Isomorphinan

(133) Morphinan

(134) Isomorphinan

(a) Resolution into optical antipodes

The resolution of the racemic 3-hydroxy-iV-methyl-morphinan (60) into its optical antipodes was achieved with ¿/-tartaric acid(153). It was found that the tartrate of the (—)-antipode is the less soluble salt and crystallizes first.

chemistry of morphinans

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