The present disclosure relates to a process for preparing 3-methylbenzo-5,6-quinoline. The process involves desulphonating 2-aminonaphthalene-1-sulphonic acid, followed by the addition of at least one aldehyde and at least one oxidizing agent to obtain 3-methylbenzo-5,6-quinoline. The process of the present disclo...

The present disclosure relates to a process for the preparation of 4-ethanesulfonyl-2-nitroaniline. 4-Ethanesulfonyl-2-nitroaniline is used as an intermediate for preparing dyes and pH indicators. It is also used in the manufacturing of UV stabilizers and optical brighteners. 4-Ethanesulfonyl-2-nitroaniline is rep...

The present disclosure relates to a process for the synthesis of benzothiazoles, with comparatively high yield and high purity. The process comprises chlorination of N-arylthiourea with a first chlorinating agent in the presence of a catalyst, followed by controlled chlorination with a second chlorinating agent and ...

The present disclosure relates to a process for the preparation of 1-methylhexyl(5-chloroquinolin-8-yloxy)acetate of Formula I: 1-Methylhexyl(5-chloroquinolin-8-yloxy)acetate is used as a safener with herbicides to protect crops from the incidental damage caused by herbicides. The process of the present disclosu...

The present disclosure relates to a process for the preparation of 2,6-dichloro-4-nitrophenol. 2,6-Dichloro-4-nitrophenol is an important intermediate in the agrochemical and the pharmaceutical industry. The present disclosure provides a simple, efficient, and eco-friendly process for the preparation of 2,6-dichlo...

The present disclosure relates to a process for the preparation of quinophthalone derivatives. Quinophthalone derivatives are used as intermediates for many commercially important compounds such as pigments, dyes for synthetic fibers, plastic and ink-jet recording dyes. Some of the quinophthalone derivatives are a...

2-Nitro-4,5-dichloroacetanilide is an important intermediate in the dyestuff industry. In the present disclosure 2-nitro-4,5-dichloroacetanilide is prepared from 3,4-dichloroacetanilide using a nitrating agent in the presence of resultant sulfuric acid having strength of 104% w/w, in a simple, efficient and environm...

The present disclosure relates to azo dyes and a process for preparation thereof. The present disclosure provides azo dyes of formula I. The azo dyes of the present disclosure being characterized by having ?max value in the range of 490 to 505 nm, thus resulting in vivid colors, especially reds, oranges, and ye...

In the present disclosure an azo disperse dye is prepared using an azo compound of formula (I) having ?max value of 495 nm. The azo disperse dye is in the form of powder having average particle size in the range of 1 micron to 3 microns. The azo disperse dye is used to color the polyester fabrics in yellowish-r...

2-Nitro-45-dichloroacetanilide is an important intermediate in the dyestuff industry. In the present disclosure 2-nitro-45-dichloroacetanilide is prepared from 34-dichloroacetanilide using a nitrating agent in the presence of resultant sulfuric acid having strength of 104% w/w in a simple efficient and environmental...