preparation method of 2,6-difluoroaniline_kain industrial additive
preparation method【1】【2】【3】【6】 1. in a 100ml three-necked flask, add 10.0g of 2,6 difluorobenzonitrile, 30ml of h2o2, 40ml of alcohol and some homemade catalysts, control the temperature to 40~50℃, ad…
preparation method of 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate_kain industrial additives
background and overview[1] 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate is a a kind of azaspirocyclic compound, often used as an intermediate in drug synthesis. there are repo…
preparation method of 2,4,6-tri-tert-butyronitrosobenzene_kain industrial additive
background and overview[1] 2,4,6-tri-tert-butylnitrosobenzene can be used as a pharmaceutical synthesis intermediate. if 2,4,6-tri-tert-butyl-nitrosobenzene is inhaled, please move the patient to fres…
preparation method of 2,4-dichloro-6-fluorobenzaldehyde_kain industrial additive
background and overview[1] 2,4-dichloro-6-fluorobenzaldehyde can be used as a pharmaceutical synthesis intermediate. preparation[1] the preparation of 2,4-dichloro-6-fluorobenzaldehyde is as follows: …
preparation method of 2,5-dimethyl-4-hydroxybenzonitrile_kain industrial additive
background and overview[1] 2,5-dimethyl-4-hydroxybenzonitrile can be used as a pharmaceutical synthesis intermediate. preparation[1] the preparation of 2,5-dimethyl-4-hydroxybenzonitrile is as follows…
preparation method of 2,6-dichloro-3-(trifluoromethyl)benzoic acid_kain industrial additive
background and overview[1] 2,6-dichloro-3-(trifluoromethyl)benzoic acid is an organic intermediate that can be prepared from 2,4-dichloro-1-(trifluoromethyl)benzoic acid through a two-step reaction. .…
preparation method of 2,5-dichlorophenylethylamine_kain industrial additive
background and overview[1] 2,5-dichlorophenylethylamine can be used as a pharmaceutical synthesis intermediate. preparation[1] 2,5-dichlorophenylethylamine was prepared as follows: to a solution of 2-…
preparation method of 2,6-dimethoxyhydroquinone_kain industrial additive
background and overview[1] 4-bromoquinoline-6-carboxylic acid can be used as a pharmaceutical synthesis intermediate. such as preparing scutellarin intermediate scutellarin aglycone. erigerm breviscap…
preparation method of 2,3-dihydro-2-methylbenzofuran_kain industrial additive
background and overview[1][2] 2,3-dihydro-2-methylbenzofuran is an organic intermediate that can be prepared from 2-allylphenol. preparation method[1-2] 1. cyrine ayed et al. reported that 2,3-dihydro…
preparation method of 2,6-dichlorobenzamide_kain industrial additive
background and overview[1] halogenated benzamide compounds include 2,6-dichlorobenzamide, which is a key intermediate in the synthesis of benzoylurea pesticides, which are chitin synthesis inhibitors.…
