We conclude that a reduced slice thickness may have an important positive impact on the treatment and outcome of patients with pulmonary metastases. The use of 3-mm slice thickness helical CT may raise the sensitivity for pulmonary metastases detection compared to 5-mm images, but the rate of false positive results may also increase.
EAroylisothiocyanate reagieren mit manchen N.N-disubstituierten Hydrazonen insbesondere der Cyclanone im Sinne einer 4 + 2-Cycloaddition zu instabilen 1.3.5-Oxadiazinen (la-i).Entsprechende Cyclanon-imine dagegen ergeben auf Grund einer Michael-Addition vinyloge Thioharnstoffe (4s -d). Letztere sowie vinyloge Thiosemicarbazide (4e-i) entstehen auch bei der Reaktion von Tosylisothiocyanat mit den genannten Iminen und Hydrazonen. Instable 1.3.5-Oxadiazine Derivatives Some N.N-disubstituted hydrazones, especially of cyclanones, react with aroyl isothiocyanates by a 4 + 2-cycloaddition to yield instable 1.3.5-oxadiazines (la-i). The corresponding cycloalkanone imines however, afford vinylogous thioureas (4a -d). The latter and vinylogous thiosemicarbazides (4e-i) are also formed in the reaction of the imines and hydrazones with tosyl isothiocyanate.
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