FIELD: medicine.
SUBSTANCE: new pure syn-aminoacids of formulas I and II have ability of specific binding in biological system and may be used to produce image of tumor. 
II and 
I. In formulae I and II Y and Z are independently selected from group made of CH2 and (CR4R5)n, n=1, 2; R1-R3 are independently selected from group made of H and alkyl C1-C4; R4, R5 = H and R7 = 18F. Invention is related to method of synthesis of syn-aminoacids with formula II, which includes stages of ketone transformation into trans-spirit of formula I and transformation of produced trans-spirit into syn-aminoacid of formula II, and also to pharmaceutical composition for production of tumor image and method for production of tumor image.
EFFECT: improved efficiency of compounds and method of treatment.
12 cl, 1 tbl, 3 dwg, 3 ex
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