Reactivity of alicyclic 1,5,9-triketones toward five-, six-, and seven-membered rings in acidic medium. Stereochemistry of intramolecular cyclization products
被引:0
|
作者:
Taisia I. Akimova
论文数: 0引用数: 0
h-index: 0
机构:School of Natural Sciences,
Taisia I. Akimova
Olga A. Soldatkina
论文数: 0引用数: 0
h-index: 0
机构:School of Natural Sciences,
Olga A. Soldatkina
Andrey V. Gerasimenko
论文数: 0引用数: 0
h-index: 0
机构:School of Natural Sciences,
Andrey V. Gerasimenko
Vyacheslav G. Savchenko
论文数: 0引用数: 0
h-index: 0
机构:School of Natural Sciences,
Vyacheslav G. Savchenko
Alevtina A. Kapustina
论文数: 0引用数: 0
h-index: 0
机构:School of Natural Sciences,
Alevtina A. Kapustina
机构:
[1] School of Natural Sciences,
[2] Far Eastern Federal University,undefined
[3] Institute of Chemistry,undefined
[4] Far East Branch of the Russian Academy of Sciences,undefined
Among nine alicyclic 1,5,9-triketones with differently fused 5-, 6-, and 7-membered rings in the molecule, existing as mixtures of 3–6 diastereomers, only those containing at least two 6-membered rings were capable of intramolecular cyclization in acidic medium (HCl, EtOH). The diastereomer mixture underwent stereoselective transformation, giving one major cyclization product. The relative configuration of chiral centers in cyclization products obtained under acidic or basic conditions was compared by X-ray crystallography. The differences were caused by divergent stereochemical outcome at the first stage of cyclization.
机构:
Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
Yang, Xuejin
Shi, Xueliang
论文数: 0引用数: 0
h-index: 0
机构:
Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, SingaporeChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
Shi, Xueliang
论文数: 引用数:
h-index:
机构:
Aratani, Naoki
Goncalves, Theo P.
论文数: 0引用数: 0
h-index: 0
机构:
KAUST, Div Phys Sci & Engn, Thuwal 239556900, Saudi Arabia
KAUST, KAUST Catalysis Ctr, Thuwal 239556900, Saudi ArabiaChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
Goncalves, Theo P.
Huang, Kuo-Wei
论文数: 0引用数: 0
h-index: 0
机构:
KAUST, Div Phys Sci & Engn, Thuwal 239556900, Saudi Arabia
KAUST, KAUST Catalysis Ctr, Thuwal 239556900, Saudi ArabiaChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
Huang, Kuo-Wei
论文数: 引用数:
h-index:
机构:
Yamada, Hiroko
Chi, Chunyan
论文数: 0引用数: 0
h-index: 0
机构:
Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, SingaporeChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
Chi, Chunyan
Miao, Qian
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China