74007-24-2Relevant articles and documents
PREPARATION OF SUBSTITUTED MORPHINAN-6-ONES AND SALTS AND INTERMEDIATES THEREOF
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Page/Page column 45-46, (2008/06/13)
The present invention is directed to processes for the synthesis of morphinan-6-ones and salts, intermediates, and analogs thereof.
Synthetic Opium Alkaloids and Derivatives. A Short Total Synthesis of (+/-)-Dihydrothebainone, (+/-)-Dihydrocodeinone, and (+/-)-Nordihydrocodeinone as an Approach to a Practical Synthesis of Morphine, Codeine, and Congeners.
Rice, Kenner C.
, p. 3135 - 3137 (2007/10/02)
Racemic dihydrothebainone (19), nordihydrocodeinone (21), and dihydrocodeinone (22) were synthesized in high overall yield from 3-methoxyphenethylamine (4), via the key intermediate (+/-)-1-bromonordihydrothebainone (18); the route utilized unprotected ph