synthesis of new naphtho[2,3-f]quinoxaline-2,7,12(1h)-trione and anthra-9,10-quinone dyes from furan-2,3-diones合成的新naphtho[2,3 f]quinoxaline-2,7日,12(1 h)-trione anthra-9,10-quinone染料从furan-2 3-diones.pdfVIP

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synthesis of new naphtho[2,3-f]quinoxaline-2,7,12(1h)-trione and anthra-9,10-quinone dyes from furan-2,3-diones合成的新naphtho[2,3 f]quinoxaline-2,7日,12(1 h)-trione anthra-9,10-quinone染料从furan-2 3-diones.pdf

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synthesis of new naphtho[2,3-f]quinoxaline-2,7,12(1h)-trione and anthra-9,10-quinone dyes from furan-2,3-diones合成的新naphtho[2,3 f]quinoxaline-2,7日,12(1 h)-trione anthra-9,10-quinone染料从furan-2 3-diones

Molecules 2009, 14, 1429-1437; doi:10.3390/molecule OPEN ACCESS molecules ISSN 1420-3049 /journal/molecules Article Synthesis of New Naphtho[2,3-f ]quinoxaline-2,7,12(1H)-trione and Anthra-9,10-quinone Dyes from Furan-2,3-diones Şevket Hakan Üngören Department of Chemistry, Faculty of Arts and Sciences, Bozok University, Yozgat, Turkey. Tel.: +90 354 2421022; fax: +90 354 2421022; E-mails: hungoren@.tr; shakan.ungoren@.tr Received: 11 March 2009; in revised form: 26 March 2009 / Accepted: 30 March 2009 / Published: 2 April 2009 Abstract: Novel naphtho[2,3-f ]quinoxaline-2,7,12(1H)-trione and anthra-9,10-quinone dyes were synthesized in good yield from furan-2,3-diones using 1,2-diaminoanthra-9,10- quinone and 1,4-diaminoanthra-9,10-quinone. The chromophores were characterized by molecular spectroscopy methods. Keywords: Naphtho[2,3-f ]quinoxaline-2,7,12(1H)-triones; Anthra-9,10-quinones; Furan- 2,3-diones; Diaminoanthra-9,10-quinone; Dye modification; Vat dyes. 1. Introduction Anthra-9,10-quinones and their condensed derivatives with heterocycles such as indanthrone (Pigment Blue 60, I), anthrapyrimidine (Pigment Yellow 108, II) and Vat Yellow 3 (III) (Figure 1) possess brilliant hues and very good fastness and represent an important group of vat dyes for the textile industry [1,2]. In addition to these properties, some anthra-9,10-quinone dyes are widely used in other fields, such as in medicine and food chemistry [3] and high-techno