Organic compounds -- part of the class 532-570 series – Organic compounds – Radioactive metal containing
Patent
1993-01-13
1994-09-13
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Radioactive metal containing
C07F 1300
Patent
active
053469950
ABSTRACT:
A new method for synthesizing 2-alkoxyisobutylisonitrile is provided in which isobutylene is used as the starting material. The haloalkoxylation of isobutylene in alcohol medium gives 2-alkoxyisobutylhalide which is then converted to 2-alkoxyisobutylamine. In the basic condition, the reaction of 2-alkoxyisobutylamine with chloroform produces 2-alkoxyisobutylisonitrile. The synthesis process contains three steps by which a higher yield is achieved. 2-Alkoxyisobutylisonitrile is labelled with technetium-99m by exchange labelling of stable tetrakis(2-alkoxyisobutylisonitrile)copper(I) complex. Tetrakis(2-alkoxyisobutylisonitrile)copper(I) complex can be prepared by the exchange of acetonitrile molecules in tetrakis(acetonitrile)copper(I) complex with isonitrile ligands.
REFERENCES:
Van Wyk et al, International Journal of Applied Radiation and Isotopes, vol. 42 (1991), pp. 687-689.
Chang-Shinn Su
Gann Ting
Shyh-Yi Chyi
Te-Wei Lee
Geist Gary
Institute of Nuclear Energy Research
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