CAS: 3916-44-7; 4'-Nitro-[1,1'-Biphenyl]-4-Ol

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CAS号586-78-7 对溴硝基苯 | CAS号269409-70-3 4-羟基苯硼酸频哪醇酯 | CAS号3916-45-8 [1,1'-Biphenyl]... | CAS号2143-90-0 4-甲氧基-4'-硝基联苯 | CAS号636-98-6 4-硝基碘苯 | CAS号4612-26-4 1,4-苯二硼酸 | CAS号937-31-5 4-硝基苯乙炔 | CAS号54781-19-0 2-(三甲硅烷氧基)-1,3-环己二烯 | CAS号1211-40-1 4-氨基-4'-硝基联苯 | CAS号2170-13-0 苯甲酸-4-联苯酯 | CAS号92-67-1 4-氨基联苯 | CAS号13171-43-2 N-(4'-Hydroxy(1... | CAS号1204-79-1 4-氨基-4-羟基联苯 | CAS号13684-31-6 [1,1'-Biphenyl]... | CAS号2143-90-0 4-甲氧基-4'-硝基联苯

4-二苯基苯甲酸 反应生成 4-羟基-4'-硝基联苯
参考文献:4'取代的4-联苯氧合en离子:水溶液中的反应性和选择性
标题:4'取代的4-联苯氧合en离子:水溶液中的反应性和选择性
摘要:叠氮化物捕获表明,在4-芳基-4-乙酰氧基-2,5-环己二酮,2C和2D和o-(4-芳基)苯基-水解过程中产生了4'-取代的4-联苯基氧烯鎓离子1B-D.n-甲磺酰基羟胺,3B和3C.此外,4'-溴取代的酯,2D中,经过用n动力学上二次反应3-即占叠氮化物加合物的一小部分,图5D.由于一阶和二阶叠氮化物捕获在2D中同时发生,二阶反应不受短寿命1D的影响,该寿命与未取代离子1A具有相似的叠氮化物/溶剂选择性.相比之下,即使18 O标记实验表明在水解二氯乙酸的部分过程中,二氯乙酸酯2E '和2F '的水解过程中叠氮化物捕集也无法检测到4'-Cn和4'-No 2离子1E和1F.两种酯都是通过c烷基-O键裂解而产生的.这些酯仅表现出叠氮化物的二级捕获.叠氮化物/溶剂选择性为1A-D的相关性与用于离子(δ的水合所计算的相对的驱动力ë当量4)来确定在所述pbp / Dn * // Hf / 6-31G
DOI:10.1021/jo060198R

专利信息

专利号:US-5187103-A
优先权日:1991-01-31
标题:Colorimetric method and reagent for the assay of lithium in a test sample
发明人：CZECH BRONISLAW P; CHAPOTEAU EDDY; KUMAR ANAND
权利人:MILES INC
摘要:A chromogenic cryptand found to be especially selective in the determination of lithium in blood of the general formula (I): ##STR1## where: n=1 or 2, n R 1 and R 2 , same or different, are hydrogen, lower alkyl, lower alkenyl, or lower alkylidene; and n Q is a chromogenic moiety capable of providing a detectable response upon complexation of said compound with lithium ion and has the structure: ##STR2## wherein: X is CH, C--OH or N; and Z is p-nitrophenylazo, 2,4-dinitrophenylazo, 2,4,6-trinitrophenylazo, p-nitrostyryl, p-benzoquinonemonoimino, bis-(4-dimethylaminophenyl) hydroxymethyl, 3-phenylisothiazolyl-5-azo, thiazolyl-5-azo; or isothiazolyl-5-azo. n A reagent composition and synthesis of a preferred chromogenic cryptand are also disclosed.

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