49 results about "Metalation" patented technology

There are provided a heteroacene derivative having an excellent oxidation resistance and capable of forming a semiconductor active phase by a coating process, and an oxidation-resistant organic semiconductor material using the same, as well as an organic thin film.A heteroacene derivative represented by the formula (1) is obtained by tetrametalation of a tetrahaloterphenyl derivative with a metalation agent and subsequent treatment of the resulting compound with reaction agents:wherein the substituents R1 to R4 are the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, an aryl group having 4 to 30 carbon atoms, an alkyl group having 3 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms; T1 and T2 are the same or different and each represents sulfur, selenium, tellurium, oxygen, phosphorus, boron, or aluminum; l and m each is an integer of 0 or 1; and rings A and B are the same or different and each has a structure represented by the following formulae (A-1) or (A-2).

To provide a novel organometallic complex capable of emitting phosphorescence by using an organic compound with which a variety of derivatives can be easily synthesized as a ligand. In addition, to provide an organometallic complex which exhibits red emission. To provide an organometallic complex formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10. In addition, to provide an organometallic complex which exhibits red emission formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10.

Substituted alkylmetal reagents such as (trimethylsilylmethyl)lithium are reacted with pyridinic compounds to produce functionalized pyridinic compounds.

To provide a novel organometallic complex capable of emitting phosphorescence by using an organic compound with which a variety of derivatives can be easily synthesized as a ligand. In addition, to provide an organometallic complex which exhibits red emission. To provide an organometallic complex formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10. In addition, to provide an organometallic complex which exhibits red emission formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10.

A new formulation of treatment baths for the etching of polymers prior to metallization or coating of the polymer using known technologies described in the state of the art, which are based on the use of salts and / or complexes of the Cr(III) cation, where the formulation includes a salt and / or Cr(III) complex in which the Cr(III) is coordinated to at least one or several mono, bi, tri, tetra, penta, hexadentate or bridging ligands that are coordinated to the chromium by the oxygen, sulfur or nitrogen atom or several of these atoms of the ligands, such that after the polymer piece has been etched with the Etching formulation described above, the metal coating is carried out by means of the application of chemical and electrolyte baths in the case of metallization, or by means of the application of paint or another organic coating.

The invention relates to a metal micro-nano structure for improving Raman scattering of molecule, which comprises the following steps: (1) estimating limitation of internal memory capacity of a computer; (2) determining parameters such as mesh partition, peripheral medium environment conditions and exciting light condition, and primarily determining initial parameters of the metal micro-nano structure; (3) calculating scattering property Qsca of the metal micro-nano structure; (4) calculating plasma resonant frequency gamma LSPR for simulating the metal micro-nano structure and comparing the plasma resonant frequency gamma LSPR with the system exciting light frequency gamma ex, if the plasma resonant frequency is basically equal to the system exciting light frequency, the next step is entered, and if the plasma resonant frequency is not equal to the system exciting light frequency, the parameters of the peripheral medium environment condition of the metal micro-nano structure is changed; (5) calculating Raman reinforcing factor of the metal micro-nano structure; (6) preparing the micro-nano structure through the parameters of the metal micro-nano structure obtained in the step (4); (7) and realizing the metalation of the micro-nano structure. The metal micro-nano structure can maximally strengthen the Raman scattering of the molecule to be tested, can realize the low-concentration detection, and is simple and practical.

The present invention relates to a process for the purification of crude PNPNH compounds by metalation and reprotonation.

The present invention relates to compounds of formula (A), wherein Z is NR10 or O. These compounds represent novel acridinium and xanthylium salts having an unprecedented substituted heterocyclic core. They are useful as fluorescent dyes or precursors thereof in different applications including various imaging and sensing techniques, and, in particular, as photosensitizers and hereby preferably as photocatalysts. The present invention further relates to processes for preparing the inventive compounds via 1,5-organodimetallic reagents from double directed ortho-metalation reactions or combined halogen-metal exchange / directed ortho-metalation reactions.