Reactive dye compounds
A reactive dye and high-efficiency technology, applied in the direction of reactive dyes, azo dyes, organic dyes, etc., can solve the problems of dye retention, achieve high color intensity, improve affinity, and simplify the effect of soaping process
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Embodiment Embodiment 1
[0140] Examples Example 1 Synthesis of monothioglycolato-nicotinic acid triazine dye using Procion (RTM) dye as a starting material
[0141] The synthesis route as described in Reaction Scheme 1 is used to prepare monothioglycolato-nicotinic acid triazine dye.
[0142] The synthesis method consists of two parts, namely the first part for preparing monochloromonothioglycolato triazine and the second part for preparing monothioglycolato mononicotinic triazine as shown in the following reaction mechanism.
[0143] In this reaction route, D is a chromophore and varies according to the starting dye used. In this example, various Procion (RTM) dyes commercially available from BASF were used as starting materials, particularly Procion Red MX-8B, Procion Yellow MX-8G, and Procion Blue MX-2G. Synthesis of monochloromonothioglycolato triazine dye
[0144] The first part of the synthesis method is to obtain monochloro-monothioglycolato triazine. Prepare purified Procion (R...
Embodiment 2
[0148] Example 2 Synthesis of monothioglycolato-isonicotinyl triazine dye
[0149] The synthesis route described in Reaction Scheme 2 was used to prepare monothioglycolato-isonicotinyl triazine dye.
[0150] Reaction route 2
[0151] In this reaction route, D is a chromophore and varies according to the starting dye used. In this example, Procion (RTM) Red MX-8B was used as the starting material. The Procion(RTM) Red MX-8B in this embodiment can be replaced by other dichlorotriazine dyes such as Procion Yellow MX-8G or Procion Blue MX-2G.
[0152] The synthesis method consists of two parts, the first part of preparing monochloromonothioglycolato triazine dye and the second part of preparing monothioglycolato-isonicotinyl triazine dye. Synthesis of monochloromonothioglycolato triazine dye
[0153] The monochloromonothioglycolato triazine dye was prepared in the same manner as described in Example 1 above and using the same Procion starting dye. Synthesis of Monot...
Embodiment 3
[0155] Example 3 Synthesis of monothioglycolato-(diazabicyclooctane) triazine dye
[0156] The synthesis route described in Reaction Scheme 3 was used to prepare monothioglycolato-(diazabicyclooctane) triazine dye.
[0157] Reaction route 3
[0158] In this reaction route, D is a chromophore and varies according to the starting dye used. In this example, Procion (RTM) Red MX-8B was used as the starting material.
[0159] The synthesis method consists of two parts, the first part of preparing monochloromonothioglycolato triazine dye and the second part of preparing monothioglycolato-DABCO triazine dye. The monochlorothioglycolatotriazine was prepared in the same manner as in Example 1 above.
[0160] In the second part of the synthesis method, the monochloromonothioglycolato triazine dye synthesized from the first part is reacted with diazabicyclooctane (DABCO). 0.01 mol of monochloromonothioglycolato triazine dye was added to the flask along with 0.03 mol of DABCO ...
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