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KMID : 1059519930370090832
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Journal of the Korean Chemical Society
1993 Volume.37 No. 9 p.832 ~ p.836
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The Reaction of the Tripledecker Complexes, (CpCo)2(C4R4) and Alkyne
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Uhm Jae-Kook
Lee Won-Sik
Kim Seog-Bong
Cha Jin-Soon
Lee Hyung-Soo
Lee Dong-Ho
Kim Hong-Seok
Shim Sang-Chul
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Abstract
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The tripledecker complexes, bis-(η5-cyclopentadienyl)-μ-(η4-1,2,3,4-tetraalkylcyclobutadiene)dicobalt were produced by the reaction of Jonas reagent with 2-hexyne and 3-hexyne in the maximum yield (above 50%) when they were reacted in eq-molar amounts at room temperature. A tripledecker complex, bis-(η2-cyclopentadienyl)-μ-(η4-1,2,3,4-tetraethyl cyclobutadiene)dicobalt(13) was isomerized to (η5-cyclopentadienyl)cobaltacyclopentadiene-μ-(η4-2,4-cobaltacyclopentadiene)(η5-cyclopentadienyl)cobalt(15) on reacting with 3-hexyne at room temperature. Another tripledecker complex, bis-(η5-cyclopentadienyl)-μ-(η4-1,3-dimethyl-2,4-dipropyl cyclobutadiene)dicobalt(14) was decomposed to give 1,3,5-trimethyl-2,4,6-tripropylbenzene through an intermediate complex by the reaction of 2-hexyne.
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