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Homogeneously Catalyzed Dimerization of Isoprene to 2,7‐Dimethyl‐2, trans ‐4,6‐octatriene at Chromium
Author(s) -
tom Dieck Heindirk,
Kinzel Alois
Publication year - 1979
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.197903241
Subject(s) - isoprene , steric effects , chromium , yield (engineering) , catalysis , diene , chemistry , medicinal chemistry , photochemistry , organic chemistry , materials science , polymer , copolymer , metallurgy , natural rubber
The tail‐to‐tail dimerization of isoprene to give (1) is accomplished in 80% yield on a 1,4‐diaza‐1,3‐diene‐modified chromium(0) catalyst. The absence of other isoprene suggests strong steric interaction during the first CC linkage.