Synthesis and Properties of Thiophene‐Fused Benzocarborane
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説明
<jats:title>Abstract</jats:title><jats:p>The <jats:italic>o</jats:italic>‐carborane‐based π‐conjugated compound, benzocarborano‐ [2,1‐<jats:italic>b</jats:italic>:3,4‐<jats:italic>b</jats:italic>′]dithiophene was synthesized. Its crystal structure revealed high coplanarity for the two thiophene rings of the 2,2′‐bithiophene skeleton, which is fixed in the <jats:italic>cisoid</jats:italic> structure by the <jats:italic>o</jats:italic>‐carborane unit. Theoretical calculations indicated non‐aromaticity for its center C<jats:sub>6</jats:sub> ring moiety as well as decreased HOMO and LUMO levels. The <jats:italic>o</jats:italic>‐carborane moiety provides an electron‐withdrawing character to the 2,2′‐bithiophene unit through an inductive effect.</jats:p>
収録刊行物
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- Chemistry – A European Journal
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Chemistry – A European Journal 18 (36), 11251-11257, 2012-07-31
Wiley
