RADIOACTIVE HALOGEN-LABELLED ORGANIC COMPOUND PRECURSOR Russian patent published in 2011 - IPC C07C309/65 C07B59/00 

FIELD: chemistry.

SUBSTANCE: invention relates to novel precursor compounds of formula (1), which can be used to produce organic compounds which are labelled with radioactive halogen used in positron emission tomography and single-photon emission computed tomography. In formula (1) , n equals 0; R¹ is an ethyl, 1-propyl or isopropyl substitute; X is a group of formula OR²; R² is a perfluoroalkyl sulphonyl substitute with a straight or branched chain containing 1-7 carbon atoms; and R³ is an alkyloxycarbonyl with a straight or branched chain containing 2-7 carbon atoms.

EFFECT: high efficiency of the compounds.

3 cl, 3 dwg, 2 tbl, 2 ex