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A highly fluorescent chiral tagging reagent, 4-(3-isothiocyanatopyrrolidin-1-yl)-7-(N,N-dimethylaminosulfonyl-2,1,3-benzoxadiazole, [R(-)-DBD-PyNCS], was employed to develop an indirect resolution method for efficient separation of thyroxine enantiomers,D-T(4) and L-T(4). The reaction of R(-)-DBD-PyNCS with the thyroxine enantiomers proceeds effectively at(More)
This study examined the features of 16 complications from 51 distraction lengthenings in the hands of 43 patients. From 1996 to 2006, 24 metacarpals and 27 phalanges were lengthened at a rate of 0.5 and 0.25 mm/day, respectively, using a callus distraction technique. The indications were congenital (33 cases in 27 patients) and traumatic (18 cases in 16(More)
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