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A Novel [3+2] Annelation between ortho ‐Carboranyltrimethylsilane and Conjugated Carbonyl Compounds
Author(s) -
Nakamura Hiroyuki,
Aoyagi Kouichi,
Singaram Bakthan,
Cai Jianping,
Nemoto Hisao,
Yamamoto Yoshinori
Publication year - 1997
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199703671
Subject(s) - annulation , conjugated system , chemistry , medicinal chemistry , carborane , organic chemistry , combinatorial chemistry , catalysis , polymer
Carborane‐annulated cyclopentanols were produced by the reaction between 1,2‐carboranes as dianionic C 2 building blocks and α, β‐unsaturated ketones or aldehydes as dicationic C 3 units [see, for example, Eq. (a)]. This is a conceptionally unusual route to five‐membered carbocycles.
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