TY - JOUR
T1 - A One-pot, One-step, High-yield Reaction Leading to Metal-Metal Dimacrocycles
T2 - The Phthalocyanine Dimer with a Direct Si-Si Linkage
AU - Kobayashi, Nagao
AU - Furuya, Fumio
AU - Yug, Gyeong Chang
PY - 1999/1/1
Y1 - 1999/1/1
N2 - A new concept widely applicable in organometallic chemistry has been introduced for the preparation of cofacial macrocyclic dimers or oligomers. The most notable feature is the use of dimetal or oligometal salts/compounds as templates. In order to exemplify the advantage of this method, a cofacial diphthalocyanine linked by an Si-Si bond has been synthesized in 30% yield in a one-step reaction using hexachlorodisilane as a template and characterized. The cofacial dimer structures are supported by various spectroscopic techniques, including electronic absorption, magnetic circular dichroism, nuclear magnetic resonance and differential pulse voltammetry. However, the unusual phenomenon of a red shift of the main band in the Soret band region was observed.
AB - A new concept widely applicable in organometallic chemistry has been introduced for the preparation of cofacial macrocyclic dimers or oligomers. The most notable feature is the use of dimetal or oligometal salts/compounds as templates. In order to exemplify the advantage of this method, a cofacial diphthalocyanine linked by an Si-Si bond has been synthesized in 30% yield in a one-step reaction using hexachlorodisilane as a template and characterized. The cofacial dimer structures are supported by various spectroscopic techniques, including electronic absorption, magnetic circular dichroism, nuclear magnetic resonance and differential pulse voltammetry. However, the unusual phenomenon of a red shift of the main band in the Soret band region was observed.
KW - Cofacial diphthalocyanine
KW - Si-Si linkage
KW - Template reaction
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U2 - 10.1002/(sici)1099-1409(199908/10)3:6/7<433::aid-jpp152>3.0.co;2-j
DO - 10.1002/(sici)1099-1409(199908/10)3:6/7<433::aid-jpp152>3.0.co;2-j
M3 - Article
AN - SCOPUS:0001097228
VL - 3
SP - 433
EP - 438
JO - Journal of Porphyrins and Phthalocyanines
JF - Journal of Porphyrins and Phthalocyanines
SN - 1088-4246
IS - 6-7
ER -