Abstract:
The present invention relates to a process for edge-halogenation of a graphene material; wherein the graphene material, which is selected from graphene, a graphene nanoribbon, a graphene molecule, or a mixture thereof, is reacted with a halogen- donor compound in the presence of a Lewis acid, so as to obtain an edge-halogenated graphene material.
Abstract:
The present invention relates to crystalline materials comprising nilotinib and a carboxylic acid, carboxylic acid ester, carboxylic acid amide or sulfonic acid as a co-crystal former, and to pharmaceutical compositions comprising said materials. The invention also relates to processes for preparing said crystalline materials and to methods of using said crystalline materials to treat a disease condition in which tyrosine kinase inhibition is beneficial.
Abstract:
The present invention relates to a process for preparing a graphene nanoribbon, which comprises: (a) providing at least one aromatic monomer compound which is selected from at least one polycyclic aromatic monomer compound, at least one oligo phenylene aromatic monomer compound, or combinations thereof, on a solid substrate, (b) polymerization of the aromatic monomer compound so as to form at least one polymer on the surface of the solid substrate, (c) at least partially cyclodehydrogenating the one or more polymers of step (b), wherein at least step (b) is carried out at a total pressure p(total) of at least 1 x 10 -9 mbar; and a partial oxygen pressure p(O 2 ) and partial water pressure p(H 2 O) which satisfy the following relation: p(O 2 ) x p(H20) -14 mbar 2 .
Abstract:
The present invention provides a photolatent Ti-chelate catalyst formulation, comprising (i) at least one compound of the formula (I) wherein R1 is C1-C20alkyl or C2-C20alkyl which is interrupted by one or more non-consecutive O-atoms; Y is formula (II) or optionally substituted phenyl; Y1 is formula (III) or optionally substituted phenyl; Y2 is formula (IV) or optionally substituted phenyl; Y3 is formula (V) or optionally substituted phenyl; R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are hydrogen, halogen, optionally substituted C1-C20alkyl, or R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are optionally substituted C6-C14aryl, provided that only one of R2, R3, R4 is hydrogen and only one of R5, R6, R7 is hydrogen and only one of R8, R9, R10 is hydrogen and only one of R11, R12, R13 is hydrogen; and (ii) at least one chelate ligand compound of the formula IIa, IIb or IIc, wherein Y′ is formula (VI) or formula (VII); Y′1 is formula (VIII) or formula (IX); R′2, R′3, R′4, R′5, R′6 and R′7 independently of each other have on of the meanings as given for R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13; and R′14, R′15 and R′16 independently of each other have on of the meanings as given for R14, R15 and R16.
Abstract:
The present invention relates to polymers comprising a repeating unit of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent 5 solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).
Abstract:
and a second compound selected from the group consisting of co-crystal formers and solvents. The invention is further related to pharmaceutical compositions comprising such multi-component crystals. Furthermore, the invention relates to processes for preparing said multi-component crystals. The invention also relates to several aspects of using said multi-component crystals or pharmaceutical compositions to treat a disease.
Abstract:
This invention relates to overcharge protection and molecular redox shuttles in rechargeable lithium-ion cells. For this, specific nitroxyls or oxoammonium salts are used in the electrolyte. This invention also relates to a method of producing such lithium-ion cells and to a method of recharging such lithium-ion cells. This invention also pertains to some nitroxyls compounds and oxoammonium salts.
Abstract:
The present invention relates to a process for purifying graphene nanoribbons, which comprises: - bringing into contact a composition comprising graphene nanoribbons GNR1 and one or more contaminants with a liquid medium comprising a dispersant, and dispersing the graphene nanoribbons GNR1 in the liquid medium so as to obtain a liquid dispersion of the graphene nanoribbons GNR1, - subjecting the liquid dispersion of the graphene nanoribbons GNR1 to a separation treatment so as to at least partly remove the one or more contaminants, thereby obtaining a liquid dispersion of purified graphene nanoribbons GNR1.