Eco-Friendly Synthesis of Some Thiosemicarbazones and Their Applications as Intermediates for 5-Arylazothiazole Disperse Dyes

被引：17
作者：
Gaffer, Hatem E. [1 ]
Khalifa, Mohamed E. [2 ,3 ]
机构：
[1] Natl Res Ctr, Text Res Div, Dokki 12622, Egypt
[2] Taif Univ, Dept Chem, Fac Sci, At Taif 21974, Saudi Arabia
[3] Higher Inst Engn & Technol, Dept Chem Engn, Cent Zone, Dumyat, Egypt
来源：
MOLECULES | 2015年 / 20卷 / 12期
关键词：
solid-solid reactions; thiosemicarbazones; phenacyl bromide; 5-arylazothiazoles; disperse dyes; fastness properties; RIBONUCLEOTIDE REDUCTASE; DERIVATIVES; COMPLEXES; IRON(III); BEHAVIOR;
D O I：
10.3390/molecules201219820
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The solid-solid reactions of thiosemicarbazide with 4-formylantipyrine, 2-acetylpyrrole and camphor were performed to afford the thiosemicarbazones 1-3 which underwent hetero-cyclization with phenacyl bromide to furnish the corresponding thiazole derivatives 4-6. The yields of the reactions are quantitative in all cases and the products do not require further purification. A series of 5-arylazo-2-(substituted ylidene-hydrazinyl)-thiazole dyes 7-9 was then prepared by diazo coupling of thiazole derivatives 4-6 with several diazonium chlorides. The synthesized dyes were applied as disperse dyes for dyeing polyester fabric. The dyed fabrics exhibit good washing, perspiration, sublimation and light fastness properties, with little variation in their moderate to good rubbing fastness.
引用
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页码：21982 / 21991
页数：10
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