Výsledky vyhledávání - "Noriko Yoneta"

Rearrangement Approaches to Cyclic Skeletons. XI. Chemoenzymatic Preparation of Chiral Bridged Compounds for Rearrangement Approaches

Autor: Tadao Uyehara, Toshio Sato, Masako Ueno, Fumi Iikura, Noriko Yoneta, Miyuki Ishikawa

Publikováno v: Bulletin of the Chemical Society of Japan. 70:477-482

Both enantiomers of 1-methoxybicyclo[2.2.2]oct-5-en-2-ones were prepared in more than 80%ee on the basis of a chemoenzymatic reaction sequence. The optical resolution was achieved by the enantioselective hydrolysis of chloroacetyl esters 1-methoxybic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22d9e0ff074e10640cd0a1427d25c8a1
https://doi.org/10.1246/bcsj.70.477

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Rearrangement Approaches to Cyclic Skeletons. XII. Acid-Catalyzed Isomerization of Bicyclo[3.2.1]oct-6-en-2-ones into Bicyclo[3.2.1]oct-3-en-2-ones without Racemization

Autor: Toshihiro Inayama, Yuuko Kimura, Tadao Uyehara, Takanobu Kobari, Noriko Yoneta

Publikováno v: Bulletin of the Chemical Society of Japan. 70:1919-1921

The treatment of a bicyclo[3.2.1]oct-6-en-2-one (3) with Amberlyst® (H-15) in boiling benzene gave a mixture of bicyclo[3.2.1]oct-3-en-2-one (5) and bicyclo[2.2.2]oct-5-en-2-one (6). The ratio of 5 to 6 was influenced by the substituent at the C-1 p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b061c10d1b6caced68793de18a9e6b4d
https://doi.org/10.1246/bcsj.70.1919

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