135518-57-9Relevant articles and documents
New method for synthesizing (S)-metolachlor and its analogue
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Paragraph 0037-0040; 0047; 0048, (2020/03/12)
The invention relates to a new method for preparing (S)-metolachlor and its analogue. The (S)-metolachlor is taken as an example: the (S)-metolachlor is prepared from 2-methyl-6-ethylaniline and R-propylene glycol monomethyl ether through a four-step reaction. The method has the advantages of cheap and easily available raw materials, mild reaction conditions, high efficiency and very simple separation process.
Novel 2,6-disubstituted primary para-phenylenediamines and process for their use in the oxidation dyeing of keratin fibers
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Page/Page column 16, (2010/11/26)
Disclosed herein are 2,6-disubstituted para-phenylenediamine compounds chosen from compounds of formula (I) and the salts and solvates thereof: Also disclosed herein are the corresponding intermediate compounds. Further disclosed herein is a composition f