A process for alkane chlorination comprising: (a) providing an aqueous solution comprising dissolved alkanes selected from methane, ethane or combinations thereof; (b) providing an 0.005 to 0.050 M aqueous solution of trichloroisocyanuric acid, wherein the trichloroisocyanuric acid in solution forms cyanuric acid and hypochlorous acid; and (c) contacting the aqueous solution comprising dissolved alkanes with the aqueous solution of trichloroisocyanuric acid, wherein a liquid phase reaction between the dissolved alkanes and the hypochlorous acid forms a gaseous product stream comprising at least one of chloromethane and chloroethane.

A process for alkane chlorination comprising: (a) providing an aqueous solution comprising dissolved alkanes selected from methane, ethane or combinations thereof; (b) providing an 0.005 to 0.050 M aqueous solution of trichloroisocyanuric acid, wherein the trichloroisocyanuric acid in solution forms cyanuric acid and hypochlorous acid; and (c) contacting the aqueous solution comprising dissolved alkanes with the aqueous solution of trichloroisocyanuric acid, wherein a liquid phase reaction between the dissolved alkanes and the hypochlorous acid forms a gaseous product stream comprising at least one of chloromethane and chloroethane.

A process for alkane chlorination comprising: (a) providing an aqueous solution comprising dissolved alkanes selected from methane, ethane or combinations thereof; (b) providing an 0.005 to 0.050 M aqueous solution of trichloroisocyanuric acid, wherein the trichloroisocyanuric acid in solution forms cyanuric acid and hypochlorous acid; and (c) contacting the aqueous solution comprising dissolved alkanes with the aqueous solution of trichloroisocyanuric acid, wherein a liquid phase reaction between the dissolved alkanes and the hypochlorous acid forms a gaseous product stream comprising at least one of chloromethane and chloroethane.

The present application is in the field of imaging reagents. In particular, the present application relates to labelled fluorocarbon imaging reagents, the preparation of the reagents, and their uses for imaging such as PET scanning.

The present application is in the field of imaging reagents. In particular, the present application relates to labelled fluorocarbon imaging reagents, the preparation of the reagents, and their uses for imaging such as PET scanning.

##STR00001##

Disclosed herein is a salt of formula I: where R.sup.1, X, n, R, R.sup.1, Y, m, p, q, Z and o are as defined herein. Also disclosed herein are methods of using said salts in chemical synthesis, such as to prepare compounds isotopically enriched in 18F for use in PET & imaging, as well as methods to make the compounds of formula I.

##STR00001##

Disclosed herein is a salt of formula I: where R.sup.1, X, n, R, R.sup.1, Y, m, p, q, Z and o are as defined herein. Also disclosed herein are methods of using said salts in chemical synthesis, such as to prepare compounds isotopically enriched in 18F for use in PET & imaging, as well as methods to make the compounds of formula I.

##STR00001##

Disclosed herein is a salt of formula I: where R.sup.1, X, n, R, R.sup.1, Y, m, p, q, Z and o are as defined herein. Also disclosed herein are methods of using said salts in chemical synthesis, such as to prepare compounds isotopically enriched in 18F for use in PET & imaging, as well as methods to make the compounds of formula I.

Provided is a method that allows for a safer production of a naphthylsilole for use as a starting material for GNR, which involves reacting a compound of formula (1):

##STR00001##

(wherein R.sup.1a and R.sup.1b are the same or different and represent a hydrogen atom, an alkyl group, a cycloalkyl group, a (poly)ether group, an ester group, a halogen atom, an aromatic hydrocarbon group, or a heterocyclic group; R.sup.1a and R.sup.1b are optionally bound to each other to form a ring; R.sup.2 represents an aromatic hydrocarbon ring or a heterocyclic ring; and X represents a bromine or iodine atom) with a lanthanide- and lithium-containing ate complex to produce a lanthanide complex of the compound of formula (1); and then reacting it with a silyl compound of formula (2):

R.sup.3aR.sup.3bSiCl.sub.2  (2)

(wherein R.sup.3a and R.sup.3b are the same or different and represent an optionally branched C.sub.1-C.sub.4 alkyl group or a phenyl group).

Provided is a method that allows for a safer production of a naphthylsilole for use as a starting material for GNR, which involves reacting a compound of formula (1):

##STR00001##

(wherein R.sup.1a and R.sup.1b are the same or different and represent a hydrogen atom, an alkyl group, a cycloalkyl group, a (poly)ether group, an ester group, a halogen atom, an aromatic hydrocarbon group, or a heterocyclic group; R.sup.1a and R.sup.1b are optionally bound to each other to form a ring; R.sup.2 represents an aromatic hydrocarbon ring or a heterocyclic ring; and X represents a bromine or iodine atom) with a lanthanide- and lithium-containing ate complex to produce a lanthanide complex of the compound of formula (1); and then reacting it with a silyl compound of formula (2):

R.sup.3aR.sup.3bSiCl.sub.2  (2)

(wherein R.sup.3a and R.sup.3b are the same or different and represent an optionally branched C.sub.1-C.sub.4 alkyl group or a phenyl group).