Opium, alkaloids dihydrothebainone

Rice, K.C. (1980) Synthetic Opium Alkaloids and Derivatives. A Short Total Synthesis of (ib)-Dihydrothebainone, ( )-Dihydrocodeinone, and ( )-Nordihydrocodemone as an Approach to a Practical Synthesis of Morphine, Codeine, and Congeners. Journal of Organic Chemistry, 45, 3135-3137. 

Rice KC (1980) Synthetic opium-alkaloids and derivatives - a short total synthesis of (-1-/—)-dihydrothebainone, (+/—)-dihydrocodeinone, and (-f/—)-nordihydrocodeinone as an approach to a practical synthesis of morphine, codeine, and congeners. J Org Chem... 

Lie TS et al. (1978a) Chemistry of opium alkaloids, part XI. Synthesis of racemic and chiral codeine and morphine via the dihydrothebainones. Reel Trav Chim Pays-Bas Belg 98 419-420... 

Leimgruber W, Mohasci E (1972) Derivatives of Morphinan. US Pat 3634429 Lie TS, Maat L, Beyerman HC (1979) Chemistry of opium alkaloids, part XI. Synthesis of racemic and chiral codeine and morphine via the dihydrothebainones. Reel Trav Chim Pays-Bas Belg 98(6) 419-420 and references dted therein MacKay M, Hodgkin DC (1955) A crystallographic examination of the structure of morphine. JChem Spe 3261-3267... 

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