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Nickel‐Induced Cyclotetramerization of Cyclopropabenzene to 1,6:7,12:13,18:19,24‐Tetrakismethano[24]annulene
Author(s) -
Mynott Richard,
Neidlein Richard,
Schwager Harald,
Wilke Günther
Publication year - 1986
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.198603671
Subject(s) - annulene , nickel , chemistry , combinatorial chemistry , product (mathematics) , medicinal chemistry , stereochemistry , organic chemistry , mathematics , geometry
The [24]annulene 1 containing four CH 2 bridges is surprisingly formed in the twostep organometallic title reaction. The key intermediate is a bismethano‐bridged nickelacyclotridecahexaene with two PMe 3 ligands. Upon treatment of this complex with PMe 3 , the final product 1 is formed by reductive elimination.
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