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Thermal Valence Isomerization of 2,3‐Diborata‐1,4‐diphosphoniabuta‐1,3‐dienes to Bicyclo[1.1.0]butanes and Cyclobutane‐1,3‐diyls
Author(s) -
Bourg JeanBaptiste,
Rodriguez Amor,
Scheschkewitz David,
Gornitzka Heinz,
Bourissou Didier,
Bertrand Guy
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200701578
Subject(s) - bicyclic molecule , isomerization , cyclobutane , valence (chemistry) , chemistry , medicinal chemistry , stereochemistry , organic chemistry , catalysis , ring (chemistry)
Mind your Ps and Bs : Valence isomerizations of PBBP 1,3‐butadienes are investigated and compared to those of PCCP and all‐carbon systems. The 2,3‐diborata‐1,4‐diphosphoniabuta‐1,3‐dienes thermally isomerize to bicyclo[1.1.0]butanes or cyclobutane‐1,3‐diyls. Under photolytic activation, the bicyclo[1.1.0]butanes rearrange into cyclobutenes.