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General approach to the synthesis of polyquinenes...

โœ Scribed by G. Lannoya; J.M. Cook

Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
28 KB
Volume
28
Category
Article
ISSN
0040-4039

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General approach for the synthesis of po
General approach for the synthesis of polyquinenes via the weiss reaction XII. The chugaev approach to ellacene (1,10-cyclododecanotriquinancene)
โœ Xiaoyong Fu; James M. Cook ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 284 KB

The synthesis of ellacene (1 ,lO-cyclododecanotriquinancene) 2 has been achieved via the Weiss reaction. The regiospecific monoallylation of 6 to provide 7,and the pyrolysis of tris xanthate 11 in HMPA at 22O'C to furnish 2 represent the key steps in the sequence. The HMPA-mediated dehydration of tr

General approach for the synthesis of po
General approach for the synthesis of polyquinenes via the weiss reaction. Preparation of the chiral tetracyclo [6.6.0.01,5.08,12]tetradecane-3,6,10,13,-tetraene
โœ M. Venkatachalam; M. Jawdosiuk; M. Deshpande; J.M. Cook ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 257 KB

The aldol approach to construct the tetracyclic polyquinane skeleton of l2, followed by hydroboration and the HMPA mediated dehydration of four hydroxyl groups has resulted in the facile synthesis of the chiral polyquinene, tetracyclo[6.6.D.01t5.08\*12]telrddocane-3,6,10,13\_tetraene 2. This method