Structures of a spiro[3.3]heptane and a related dispiro[3.1.3.1]decane derivative
โ Scribed by Potenza, J. A. ;Kukkola, P. J. ;Knapp, S. ;Schugar, H. J.
- Book ID
- 114507426
- Publisher
- International Union of Crystallography
- Year
- 1990
- Tongue
- English
- Weight
- 563 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0108-2701
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๐ SIMILAR VOLUMES
Efficient syntheses of the hitherto unknown hydrocarbons dispiro[2.1.4.1]decane and dispiro-[2.0.3.3]decane have been realized through reaction sequences involving spiro[3.4]octan-2-one and spiro[3.4]octan-5-one as key intermediates.
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## Abstract The annelation reaction between l,2,3,6โtetrahydroโ1โphenylโ4โ(1โpyrrolidinyl)phosphorin 1โoxide (10) and 2,2โbis(chloromethyl)acetophenone (7) leads to two stereoisomeric 7โbenzoylโ3โphenylโ3โphosphabicyclo[3.3.1]nonanโ9โone 3โoxides 11a and 11b. Their difference resides in the configu