| abstract |
ANTHRAQUINONE COMPOUNDS OF THE FORMULA, 1-(H2N-),4-(HO-),CL-,(((R)N-PHENYL)-Z-),(X)M-ANTHRAQUINONE WHEREIN Z IS OXYGEN OR SULFUR, X IS HYDROGEN OR A HALOGEN, R IS HYDROGEN ATOM OR AGROUP WHICH DOES NOT IMPART SOLUBILITY IN WATER, AND M AND N EACH SIGNIFY AN INTEGER OF 1 TO 4, WHICH ARE USEFUL FOR DYEING SYNTHETIC ARTICLES BRILLIANT RED WITH FASTNESS, AND ARE USEFUL AS INTERMEDIATES FOR THE PRODUCTION OF ANTHRAQUINONE DISPERSE DYES, AND WHICH MAY BE PREPARED BY REACTING AN ANTHRAQUINONE DERIVATIVE REPRESENTED BY THE FORMULA, 1-(H2N-),4-(HO-),(((R)N-PHENYL)-Z-),(X)M-ANTHRAQUINONE WHEREIN R, X, Z, M MDAND N ARE AS DEFINED ABOVE, WITH A CHLORINATING AGENT IN THE PRESENCE OF A NON-PROTONIC POLAR SOLVENT OF AN AMIDE TYPE. |