The Synthesis of Desoxyequilenin. The Stereochemistry of the C/D Ring Junction of Some Steroid Intermediates
β Scribed by Barnes, Roderick A.; Miller, Richard
- Book ID
- 126461332
- Publisher
- American Chemical Society
- Year
- 1960
- Tongue
- English
- Weight
- 821 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0002-7863
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In the preceding papers (l), we reported that a-7-keto-decahydroquinoline was synthesized by the method of Grob (2) and derived to I in a similar way for synthesis of dl-aspldospermine(V) (3,4). The structure of the compound(I) was proved to be Ia, whose n.m.r. spectrum was well similar to that of o
A trans B/C ring junction has been found to exist in 3-benzylidinebenzo[alquinolizidines. 'H NMR analysis of partially deuteriated compounds showed that the signals at 4.0-4.2 ppm should be assigned to the H-Cexo proton. KEY WORDS 3-Benzylidenebenzo[a]quinolizidines stereochemistry 'H NMR B/C ring j