- NOVEL COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ELECTRONIC DEVICE
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A compound is represented by a formula (1) below. In the formula (1), X1 to X8 each independently represent a carbon atom to be bonded to a group represented by a formula (20) below, CRX or a nitrogen atom. At least one of X1 to X8 is a carbon atom to be bonded to the group represented by the formula (2). RX is independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, and the like.
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Paragraph 0293; 0294; 0295
(2015/08/03)
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- NEW DIAMINE DERIVATIVES AND ORGANIC ELECTRONIC DEVICE USING THE SAME
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The present invention relates to a new diamine derivative, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can serve as a light emitting dopant as used alone, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability.
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Page/Page column 54-55
(2008/12/08)
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- Preliminary Studies of the Mechanism of Metal-Halogen Exchange. The Kinetics of Reaction of n-Butyllithium with Substituted Bromobenzenes in Hexane Solution
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Initial measurements of the rate of reaction of bromobenzene with n-butyllithium in hexane solution have shown the exchange to be first order in bromobenzene and first order in n-butyllithium, with an activation energy of 12 kcal mol-1 (52 kJ mol-1).A Hammett relationship for the reaction of substituted bromobenzenes with n-butyllithium suggests negative charge character in the transition state (ρ ca 2).The addition of a Lewis donor (p-methylanisole) to the hexane solution was found to result in an increase in the rate of exchange, but did not affect the Hammett reaction constant.Several transition-state structures are considered; available evidence suggests that the exchange may be concerted, with either a four-centered structure, or SN2-type attack of the n-butyl anion at the bromine of the aryl bromide
- Rogers, Harold R.,Houk, Janette
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p. 522 - 525
(2007/10/02)
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