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We report an example of Rose Bengal-photosensitized oxidation of tertiary amines for the synthesis of bis-1,3-dicarbonyl compounds. This protocol employs Rose Bengal as a visible-light absorbing photocatalyst without the need of a transition metal, and air as a green oxidant. Various functional groups were well tolerated to afford products with yields of up to 80% under mild reaction conditions.
Purpose To compare the efficacy of α1D-receptor antagonist Naftopidil and α1A/D-receptor antagonist Tamsulosin in management of distal ureteral stones. Materials and methods A total of 131 patients with distal ureteral stones were included in the study from December 2008 to September 2010. The patients were randomized to 3 groups: group 1 (43 patients), those receiving 10 mg naftopidil once daily;...
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