CAS: 34420-17-2; Phenethylboronic Acid

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苯乙烯置于水体系中,化学反应 48.0H,反应生成 苯乙基硼酸
参考文献:五配位磷-硼键合化合物的合成,结构和反应活性
标题:五配位磷-硼键合化合物的合成,结构和反应活性
摘要:研究了两种五配位磷-四配位硼键合化合物的分离和反应性.需要一种高度路易斯酸性的硼试剂和吸电子配体系统来形成pb键的五配位磷态.第一种化合物是三氢硼酸磷烷基酯,在thf中单氢化物萃取后就得到了thf稳定的磷烷基硼烷中间体.该化合物可能会发生独特的重排,涉及到两倍的环扩环,从而反应生成稠合的双环化合物,或者它可以用作单氢硼化试剂.发现中间体对炔烃的氢硼化反应性高于烯烃,对末端碳具有非常好至中等的区域选择性.第二种化合物是磷酰基三芳基硼酸酯 被发现具有不同的反应活性,因为它对酸和碱高度稳定.据认为,这是由于晶体结构中所示的pb键周围的大量堆积.
DOI:10.1002/ejic.202000229

专利信息

专利号:US-2023212216-A1
优先权日:2019-12-20
标 题:Synthesis of lactone derivatives and their use in the modification of proteins
发明人：MORRIS ALEXANDER REDFERN; SUTOV GRIGORIJ; BRUNE KARL DIETRICH
权利人:GENIE BIOTECH UK LTD
摘要:Site-specific modifications of proteins are desirable in biotechnological applications such as biopharmaceuticals, immunotherapy, vaccines, and are useful in chemical biology. Gluconoylation is a non-enzymatic, covalent, post-translational modification commonly observed on N-terminal His-Tags bearing proteins. We synthesized glucono-1,5-lactone derivatives, including azido variants for selective acylation. High yield acylation is achieved by simply mixing derivatives with target protein amidst diverse conditions of temperatures, aqueous buffers, excipients, or complex cell lysate.

专利号:US-5596123-A
优先权日:1992-11-25
标 题 :Boric ester synthesis
发明人：ELGENDY SAID M A; DEADMAN JOHN J; PATEL GEETA; GREEN DONOVAN S; BABAN JEHAN A; KAKKAR VIJAY V; CLAESON GORAN K
权利人:THROMBOSIS RES INST
摘要:Stable alpha -substituted boronic esters, e.g. for use in peptide synthesis, are prepared by reacting a substituted alkene of the formula: with a disubstituted borane of the formula: wherein: (i) R1 and R2 are each selected from various groups which are preferably not leaving groups; (ii) X is halogen or other leaving group; (iii) Y is H or lower alkyl; (iv) Q1 and Q2 are each selected from various groups which are preferably such that the borane is non-hydrolyzable, and particularly Q1 and Q2 together may represent a residue of a diol such as catechol or pinanediol.

专利号:EP-1888227-A4
优先权日:2005-05-12
标题 :HYDROPHOBIC ABSORBENT COMPLEXES OF GALACTOMANNAN AND BORONATES AND PROCESS FOR THE SYNTHESIS OF SAID COMPLEXES

专利号:WO-9800398-A1
优先权日:1996-06-28
标题 :Method for the synthesis of amines and amino acids with organoboron derivatives

专利号:AU-2020409711-A1
优先权日:2019-12-20
标题 :Synthesis of lactone derivatives and their use in the modification of proteins

专利号:EP-4076533-A1
优先权日:2019-12-20
标 题:Synthesis of lactone derivatives and their use in the modification of proteins