Molecular structure ofrac-(4R*,4aS*,10aS*)-4-nitro-1,2,3,4,4a,9,10,10a-octahydrophenanthren-4a-ol, an unusual by-product of nitration of a crude 9,10-dihydrophenanthrene
✍ Scribed by Franco Fernández; J. López De Lerma; Aurea Perales; Gonzalo Rodríguez
- Book ID
- 105271719
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 327 KB
- Volume
- 24
- Category
- Article
- ISSN
- 1572-8854
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## Synthesis of Functionalized 4a-Methyl-1,2,3,4,4a,9,10,10aoctahydrophenanthrenes. -Two approaches are developed for the preparation of the title compounds [cf. (IV) and (IX)/(X)] which represent the skeleton of a widespread family of diterpenes. -(DYKER, GERALD;
The title compound, C 27 H 34 ClNO, was synthesized by a direct condensation reaction. The molecule has three chiral centres, which exhibit R, S and R absolute configurations, respectively. Two six-membered rings with different conformations coexist in the structure and they form a trans ring juncti