The present invention provides a halo-de-carboxylation process for the preparation of organic chlorides, organic bromides and mixtures thereof, from their corresponding carboxylic acids, using a chlorinating agent selected from trichloroisocyanuric acid (TCCA), dichloroisocyanuric acid (DCCA), or combination thereof, and a brominating agent.

The radiation-sensitive resin composition contains: a polymer having a structural unit that includes an acid-labile group; and a compound represented by formula (1). In the formula (1), Ar.sup.1 represents a group obtained by removing (m+n+2) hydrogen atoms from an aromatic ring of an arene having 6 to 30 carbon atoms; OH and COO are bonded at ortho positions to each other on a same benzene ring on Ar.sup.1; and R.sup.G represents a group represented by formula (V-1), a group represented by formula (V-2), a group including a lactone structure, a group including a cyclic carbonate structure, a group including a sultone structure, a group including a ketonic carbonyl group, a group including a thiocarbonate group, or a group including a group represented by formula (V-3), or the like.

##STR00001##

The radiation-sensitive resin composition contains: a polymer having a structural unit that includes an acid-labile group; and a compound represented by formula (1). In the formula (1), Ar.sup.1 represents a group obtained by removing (m+n+2) hydrogen atoms from an aromatic ring of an arene having 6 to 30 carbon atoms; OH and COO are bonded at ortho positions to each other on a same benzene ring on Ar.sup.1; and R.sup.G represents a group represented by formula (V-1), a group represented by formula (V-2), a group including a lactone structure, a group including a cyclic carbonate structure, a group including a sultone structure, a group including a ketonic carbonyl group, a group including a thiocarbonate group, or a group including a group represented by formula (V-3), or the like.

##STR00001##

The regio-selective functionalization of a dialkyl benzene compound ##STR00001##
wherein the ratio of the compound functionalized at position (a) to the compound functionalized at the position (b) is at least 70:30, more particularly at least 80:20, still more particularly at least 85:15, and still more particularly at least 90:10, characterised in that the substituent R is an isobutyl group.

The regio-selective functionalization of a dialkyl benzene compound ##STR00001##
wherein the ratio of the compound functionalized at position (a) to the compound functionalized at the position (b) is at least 70:30, more particularly at least 80:20, still more particularly at least 85:15, and still more particularly at least 90:10, characterised in that the substituent R is an isobutyl group.

The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention. A beneficial and surprisingly simple use of chlorobenzene as an industrially interesting starting material in the manufacture of fluorobenzene is provided.

The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention. A beneficial and surprisingly simple use of chlorobenzene as an industrially interesting starting material in the manufacture of fluorobenzene is provided.

Provided is an organic metal complex having a structure represented by the following general formula (1):

ML.sub.mL.sub.n(1)

where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure ML.sub.m represents a structure represented by the following general formula (2):

##STR00001##

and a partial structure ML.sub.n represents a structure including a monovalent bidentate ligand.

Provided is an organic metal complex having a structure represented by the following general formula (1):

ML.sub.mL.sub.n(1)

where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure ML.sub.m represents a structure represented by the following general formula (2):

##STR00001##

and a partial structure ML.sub.n represents a structure including a monovalent bidentate ligand.

The present disclosure relates to an ionic compound, and a coating composition and an organic light emitting device including the same.