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preparation of (2-chloro-5-iodophenyl)[4-[[(3s)-tetrahydro-3-furyl]oxy]phenyl]methanone_kain industrial additive
background and overview[1] (2-chloro-5-iodophenyl)[4-[[(3s)-tetrahydro-3-furyl]oxy]phenyl]methanone belongs to ketone organic compounds and is a pharmaceutical intermediate , can be used to prepare c-…
crystal structure of 1h-benzimidazole-2-carboxylic acid monohydrate_kain industrial additive
background and overview[1] 1h-benzimidazole-2-carboxylic acid crystallizes as a monohydrate and exists in the form of a zwitterion, that is, 1h-benzimidazole-2-carboxylate. in the two-dimensional netw…
preparation of 4-(chloromethyl)benzaldehyde_kain industrial additive
background and overview[1-3] 4-(chloromethyl)benzaldehyde is an organic intermediate commonly used as raw material for pharmaceutical synthesis. it can be obtained by one-step oxidation of 4-chloromet…
preparation method of 4-iodobenzenesulfonyl chloride_kain industrial additive
background and overview[1] 4-iodobenzenesulfonyl chloride is an aromatic hydrocarbon derivative and can be used as a pharmaceutical synthesis intermediate. preparation method[1] 4-iodobenzenesulfonyl …
application research and preparation method of 3,5-diaminobenzoic acid_kain industrial additive
background and overview[1] 3,5-diaminobenzoic acid is an important chemical intermediate that can be used to synthesize various pharmaceutical and dye products. for example, a series of yellow reactiv…
preparation and application of 4-aminophenylboronic acid_kain industrial additive
background and overview[1-3] 4-aminophenylborate hydrochloride is an organic intermediate that can be prepared from dicatechol and 4-nitrobromobenzene as starting materials. preparation[1] for the kno…
study on the preparation and application of 4-hydroxyphenylboronic acid_kain industrial additives
background and overview[1][2] 4-hydroxyphenylboronic acid is an organic intermediate that can be prepared from 4-hydroxyphenylboronic acid in three steps. can be used in coupling reactions. preparatio…
study on the preparation method and application of 5,5-dimercapto-2,2-dinitrobenzoic acid_kain industrial additives
background and overview[1] it is also called dtnb (5,5′-dithiobis-(2-nitrobenzoic acid)), which is the abbreviation of 5,5-dithiobis-2,2-dinitrobenzoic acid. dtnb is widely used in analytical re…
苯甲酰科里内酯的制备和异构体分析_凯茵工业添加剂
背景及概述[1][2] 前列腺素是一类重要的内源性生理活性物质，是多种生理过程的重要介质，具有较高的药理活性，临床上前列腺素类药物主要是通过人工合成而来。苯甲酰科里内酯(coreylactonebenzoate)是合成前列腺素类药物重要中间体，其分子式为c15h16o5，化学名为5-(苯甲酰氧基)六氢-4-(羟基甲基)-2h-环戊并[b]呋喃-2-酮，通常包括(±)苯甲酰科里内酯、(-)苯甲酰科里…
application of 2,4-dichlorophenoxyacetic acid_kain industrial additive
background[1-3] 2,4-dichlorophenoxyacetic acid (2,4-d) is a common systemic herbicide used to control broadleaf weeds. it is the most widely used herbicide in the world and the third most used in nort…
