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preparation method of triphenylmethyl bromide_kain industrial additive
background and overview[1] triphenylmethyl bromide can be used as a pharmaceutical synthesis intermediate. preparation[1] a method for recovering triarylmethyl halides such as triphenylmethyl bromide …
application of 1,4-benzoquinonedioxime_kain industrial additive
overview[1] 1,4-benzoquinonedioxime is a cross-linking agent. in recent years, the main method for industrial production of 1,4-benzoquinonedioxime is: at 0℃, in the presence of a certain concentratio…
preparation of 1,5-difluoro-2,4-dinitrobenzene_kain industrial additive
overview[1] 1,5-difluoro-2,4-dinitrobenzene is an important intermediate in the synthesis of the herbicide flufenacil, which can be etherified, hydrogenated and reduced to form rings, and sequentially…
preparation of 2-oxo-4-phenylbutyric acid_kain industrial additives
overview[1] 2-oxo-4-phenylbutyric acid can be used as a pharmaceutical synthesis intermediate, such as the preparation of 2-oxo-4-phenylbutyl ethyl ester (eopb), 2-oxo-4-phenyl butyl ethyl ester is an…
preparation of 3-benzoyl ethyl acrylate_kain industrial additive
overview[1] ethyl 3-benzoyl acrylate can be used as a pharmaceutical synthesis intermediate. to date, the most common method of synthesizing esters is through a dehydration reaction between a carboxyl…
instructions for use of phenylvasopressin_kain industrial additives
background and overview[1] phenylvasopressin is a synthetic peptide similar to vasopressin, which can constrict peripheral blood vessels, increase blood pressure and stop bleeding. this product has a …
preparation of ethyl anthranilate_kain industrial additive
overview[1][2] ethyl anthranilate is a colorless liquid, soluble in alcohol and propylene glycol, and slightly soluble in water. the alcohol solution fluoresces purple. ethyl anthranilate occurs natur…
application and preparation method of 2-bromophenylboronic acid_kain industrial additive
background and overview[1] 2-bromophenylboronic acid, also called o-bromophenylboronic acid, is an important intermediate for organic light-emitting diode (oled) electronic chemicals. preparation[1] u…
how to prepare 4-nitrobenzene acetylene_kain industrial additive
background and overview[1] 4-nitrophenylacetylene is an organic intermediate that can be prepared from 1-iodo-4-nitrobenzene in two steps. preparation[1] step 1 preparation of [4-(nitrophenyl)ethynyl]…
application and preparation of 5-aminoisophthalic acid_kain industrial additive
background and overview[1][2] 5-amino-isophthalic acid is a widely used fine chemical product. it is insoluble in water and soluble in methanol, ethanol and acetone. it is mainly used as a pharmaceuti…
