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Zur Addition von Phenylisocyanat bzw. Phenylisothiocyanat an 4-Hydroxycumarin

Addition of phenyl isocyanate and phenyl isothiocyanate, resp., on 4-hydrocumarin

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4-Hydroxycumarin (1) reagiert mit Phenylisocyanat zum 3-Carboxanilido-4-hydroxycumarin (3). Phenylisothiocyanat addiert sich an1 zum 3-Thiocarboxanilido-4-hydroxycumarin (8).


4-Hydroxy-coumarin (1) reacts with phenylisocyanate to 3-carboxanilido-4-hydroxy-coumarin (3). Phenylisothiocyanate is added to1 yielding 3-thiocarboxanilido-4-hydroxy-coumarin (8).

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Metallidis, A., Junek, H. & Ziegler, E. Zur Addition von Phenylisocyanat bzw. Phenylisothiocyanat an 4-Hydroxycumarin. Monatshefte für Chemie 101, 88–91 (1970). https://doi.org/10.1007/BF00907528

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