| 摘要 |
3a,6,6,9a-Tetramethylperhydronaphto[2,1-b]furan, a typical ambergris perfume ingredient is prepared via a novel process from 1 beta -(2-hydroxyethyl)-perhydro-2,5,5,8a beta -tetramethyl-2 beta -trans-naphthalenol by cyclization with an acidic cyclization agent in the presence of nitromethane.
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