Title:
METHOD OF REDUCTIONNISOLATING HALOGEN ATOM FROM ANTHRAQUINONE
Document Type and Number:
Japanese Patent JPS54154749
Kind Code:
A
Abstract:
A process for the reductive removal of halogen atoms from amino-, acylamino- or hydroxyanthraquinones, said halogen atoms being bonded in the alpha -position and/or ortho-position to amino, acylamino or hydroxyl groups, which comprises carrying out the reductive removal in basic medium with hydrazine or hydrazine derivatives.
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Inventors:
ATANASHIOSU TSUIKASU
YUERUGEN MARUKERUTO
YUERUGEN MARUKERUTO
Application Number:
JP5158979A
Publication Date:
December 06, 1979
Filing Date:
April 27, 1979
Export Citation:
Assignee:
CIBA GEIGY AG
International Classes:
C07C45/00; C07C46/00; C07C50/34; C07C50/38; C07C67/00; C07C213/00; C07C225/34; (IPC1-7): C07C45/00; C07C49/75; C07C97/24