The present invention relates to compounds of the formula (1) and (2) which are suitable for use in electro?nic devices, in particular organic electroluminescent devices.

The present application relates to compounds of a formula (I), to the use thereof in organic electroluminescent devices, and to processes for preparing these compounds.

An aromatic amine derivative is represented by a formula (1) below. In the formula (1), R.sub.2 to R.sub.5, R.sub.7 to R.sub.9 and R.sub.10 are each independently a hydrogen atom or a substituent. In the formula (1), R.sub.1 and R.sub.6 are represented by a formula (2) below, and L.sub.1 to L.sub.3 are each independently a single bond and the like. In the formula (2), Ar.sub.1 is a monovalent residue derived from the ring structure represented by a formula (4) below, X is an oxygen atom or a sulfur atom, and at least one of R.sub.11 to R.sub.18 is an alkyl group. In the formula (1), Ar.sub.2 is an aryl group or a monovalent residue derived from the ring structure represented by the formula (4). ##STR00001##

The present disclosure relates to a fluorogenic pH-sensitive dye including an aryl compound having a sulfonyl group (SO.sub.2); and an agarose compound covalently bonded to the sulfonyl group (SO.sub.2) of the aryl compound.

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I): including stereoisomers, salts and tautomers thereof, wherein R.sup.1, R.sup.2, R.sup.3, L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, L.sup.6, M.sup.1, M.sup.2, A, q, w and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

##STR00001##

An object of the invention is to provide: a photoelectric conversion material which has excellent deposition stability such that when the photoelectric conversion material is used in a photoelectric conversion element, the change in the performance of the element due to variations in the concentration of the photoelectric conversion material is small; a photoelectric conversion element using the photoelectric conversion material; and an optical sensor and an imaging element including the photoelectric conversion element. The photoelectric conversion material of the invention is a compound (A) expressed by the following Formula (1). ##STR00001##

The present invention relates to fluorescent dyes in general. The present invention provides a wide range of fluorescent dyes and kits containing the same, which are applicable for labeling a variety of biomolecules, cells and microorganisms. The present invention also provides various methods of using the fluorescent dyes for research and development, forensic identification, environmental studies, diagnosis, prognosis, and/or treatment of disease conditions.

The present invention relates to compounds of the formula (1) and (2) ##STR00001##
which are suitable for use in electronic devices, in particular organic electroluminescent devices.

The present invention provides methods, compositions, and kits useful in preparing labeled molecules, which are useful in the detection of binding partners.

Disclosed are dihydropyrene derivatives, processes for preparing the same and their uses.