Preparation of boronic acid derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Radioactive metal containing

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568 1, 568 6, 558298, 549213, 534 10, C07F 502, C07F 504

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050397958

ABSTRACT:
An improved process for preparation of compounds of the formula ##STR1## as disclosed. These compounds are useful as intermediates in the preparation of boronic acid adducts of technetium 99m dioxime complexes of the formula

REFERENCES:
patent: 4705849 (1987-11-01), Nunn et al.
patent: 4795821 (1989-01-01), Brown
patent: 4870177 (1989-09-01), Brown
Letsinger et al., J. Org. Chem., vol. 18, (1953) pp. 895-897.
H. C. Brown et al., "Organoboranes: Improved Procedures for the Preparation of Boronic and Borinic Esters", Organometallics, vol. 5, pp. 2300-2304 (1986)

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