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[4 + 1] Cycloadditions of the Rhodium Di(methoxycarbonyl) Carbenoid to 2‐Siloxy‐1,3‐dienes
Author(s) -
Schnaubelt Jürgen,
Marks Elke,
Reißig HansUlrich
Publication year - 1996
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19961290115
Subject(s) - chemistry , carbenoid , rhodium , cyclopentene , cycloaddition , medicinal chemistry , catalysis , stereochemistry , organic chemistry
The rhodium(II) acetate catalyzed reaction of dimethyl diazomalonate with 2‐siloxy‐1,3‐dienes 1a–1d and 1h furnished cyclopentene derivatives 4a–4d and 4h in moderate yields. The mechanism of this unusual [4 + 1] cycloaddition is discussed.
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