decarboxylation相关论文
Efficient Decarboxylative/Defluorinative Alkylation for the Synthesis of gem-Difluoroalkenes through
An efficient decarboxylative/defluorinative alkylation for synthesizing gem-difluoroalkenes is described,providing a gen......
报道了无金属可见光诱导的苯乙酸衍生物脱羧.在无添加剂条件下,使用廉价的氘源成功地实现了酸的直接脱羧单氘化.此外,在空气存在时......
N-羟基邻苯二甲酰亚胺(NHP)酯可以由对应的羧酸衍生而来,是一类价廉、易得、稳定、具有高光活性的化合物.近年来,NHP酯类化合物在......
As a kind of environmentally benign reagents,α-keto acids have been extensively employed as key starting materials in o......
A new synthesis of the bridged[6-6-6]ABE tricyclic ring analogues of methyllycaconitine with the C-1 oxygenated substitu......
Silver-catalyzed decarboxylative C-H functionalization of cyclic aldimines with aliphatic carboxylic
Silver-catalyzed decarboxylative C-H alkylation of cyclic aldimines with abundant aliphatic carboxylic acids has been re......
Instant Photochromism Caused by Radical Formation in Photocatalytic Decarboxylation of Dihydrothiazo
A pair of new enantiomeric compounds,(R)/(S)-1,3,5-benzene-triyl-2,2\',2\"-tris(4,5-dihydrothiazole-4-carboxylic aci......
Cascade Decarboxylation and Cyclization towards 3-Difluoromethylene-containing Chroman-4-one Derivat
The chroman-4-one scaffold is important structure motif in many natural products,medicinal compounds and biological comp......
Carboxylic acids are pervasive in nature.They are low cost,stable and easy to handle.As a result,carboxylic acids are co......
Monohalogention vs Dihalogentinon--Hypervalent Iodine Reagent Promoted Decarboxylative Halogenations
Hypervalent iodine derivatives were first disclosed by Willgerodt in the 1880s.1 Recently Hypervalent iodine compounds h......
烯丙基胺化合物是有机合成化学和药物化学的重要化合物之一,其合成方法备受关注.以芳酰氧基氨基甲酸酯为原料通过分子内脱羧一步合......
Cytochrome P450 OleTSA, a new cytochrome P450 enzyme from Staphylococcus aureus, catalyzes the oxidative decarboxylation......
Carboxylic Acid as Traceless Directing Group for PdCu-Catalyzed Decarboxylative ortho-halogenation o
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Recycling of carbon dioxide into value-added organic molecules and materials has received widespread attention among......
Rh(I)-Catalyzed Redox-Economic Cross Coupling of Carboxylic Acids with Arene Directed by N-contained
A new concept to carry out the pseudo oxidative decarboxylative coupli ng of carboxylic acids and arenes in the abse......
报道了铁催化的烷基过氧酰或者叔丁基过氧酯对1,3-共轭烯烃的Heck型脱羧烷基化反应.这个方法提供了一个有效的对1,3-共轭烯烃进行H......
Studies on the Total Synthesis of Hainanolide(VIII)-Introducing C4-Methoxy Group,and Forming the Rin
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
有氧条件下以NH4OAc/N,N-二甲基甲酰胺(DMF)组合为氰源,发展了Ag/Cu介导芳基羧酸脱羧的氰化反应,并进一步实现了以该方法为关键步......
本文报道了4,6-二苄基-3-氰基-2(1H)-吡啶酮的合成方法.合成了重要中间体3-氧代-4-苯基丁酸乙酯,为合成不同的6位取代的吡啶酮类化......
可再生烃类燃料相对于脂肪酸甲酯(生物柴油)有显著优势.本研究以硬脂酸钠为研究对象,采用微波裂解技术开展脂肪酸盐脱羧成烃机理的研......
发展了钯多相催化剂Pd/MgO (0.5 mol% Pd)参与的芳基羧酸脱羧与卤代芳烃的偶联反应体系.在与溴代芳烃甚至氯代芳烃的偶联反应中,缺......
Synthesis, Structure and Photoluminescence of a New Cadmium(Ⅱ) Complex Involving in situ Decarboxyla
本文通过对荣华二采区10...
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The carboxyl terminal of sodium oleate has a stronger polarity than that of oleic acid;this terminal is more likely to b......
Biomimetic Decarboxylation of Carboxylic Acids with PhI(OAc)2 Catalyzed by Manganese Porphyrin [Mn(T
本文通过对荣华二采区10...
Synthesis, Structure and Properties of Three-dimensional Gd(Ⅲ), Eu(Ⅲ) Coordination Polymers via in s
本文通过对荣华二采区10...
Easy One-Pot Synthesis of 1-Monosubstituted Aliphatic 1,2,3-Triazoles from Aliphatic Halides, Sodium
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis, Structure and Photoluminescence of a New Cadmium(Ⅱ) Complex Involving in situ Decarboxyla
A new luminescent dinuclear cluster complex [Cd2(pzc)2(AmTAZ)(H2O)4(NO3)]·NO3(Hpzc = pyrazine-2-carboxylic acid, AmTAZ ......
Biomimetic Decarboxylation of Carboxylic Acids with PhI(OAc)2 Catalyzed by Manganese Porphyrin [Mn(T
Manganese(Ⅲ) meso-tetraphenylporphyrin acetate [Mn(TPP)OAc] served as an effective catalyst for the oxidative decarboxy......
Pyridinium ylids 4 were generated as reaction intermediates from the decarboxylation of pyridinium bctaincs 3, which wer......
Studies on the Total Synthesis of Hainanolide(VIII)-Introducing C4-Methoxy Group,and Forming the Rin
The titled compound 6a and 6b were synthesized from tricyclic ketone 1 through five steps....
酪胺广泛应用于生化试剂、有机化工及医药中间体。从厂区周围土壤中筛选到一株能催化L-酪氨酸脱羧产酪胺的细菌ZQM4#,鉴定为普罗威......
羧酸类化合物广泛存在于自然界中,是一类重要的有机合成原料和精细化工中间体。近二十年来,关于羧酸类化合物的脱羧和脱羧官能化反......
在水热条件下,以4,4′-联吡啶-2,2′,6,6′-四羧酸(H4L)、NH4VO3和MnC12·4H2O为原料,合成一个单核钒配合物[VO2(H2L′)·H2O],其中配......
锰四芳基卟啉与高碘酸四丁基铵(n-Bu4NIO4)和咪唑(ImH)组合,为羧酸氧化脱羧提供了一个有效的催化剂体系.中位含有吸电子基团和/或大体积芳......
羧酸具有价廉、易得、易于运输存储等特点。与传统的有机金属试剂相比,羧酸经过渡金属催化脱羧后生成的有机金属中间体同样具有很......
针对辽河油田低硫稠油,在模拟注蒸汽的油藏条件下,研究了稠油中羧基化合物的脱羧反应及矿物的催化作用。实验结果表明,在200℃、12MPa......
为了提高微藻转化制航油的产物选择性,利用连续流水热装置提取微藻油脂,并经催化剂脱氧断键制航油.使用亚临界水从微藻细胞中提取......
本文研究了壬酸、10-十-碳烯酸、油酸、Z—15-二十四碳烯酸在催化量的双三苯基膦二氯化钯催化下脱羧成端烯的反应,得到了较好的结果.首次报道......
增加土壤 pH 的器官的材料的过程还没是充分理解。这研究在用有机化合物调整土壤 pH 检验了阳离子和器官的阴离子的角色。石灰性土......
热重法对含羧甲磺酰基偶氮染料的脱羧动力学研究匡春香,潘鑫(大连理工大学化工学院大连116012)杨青(辽宁师范大学化学系大连116022)关键词热重法,染料......
土壤强酸性是作物生长的最主要限制因子之一,某些植物残茬可以有效地提高土壤pH,降低活性铝含量,提高作物产量.植物残茬改良土壤酸......
以硬脂酸(C17H35COOH)脱羧为探针反应,研究了亚临界水中CaO对Pt/C催化脱羧反应性能的影响。实验表明,CaO可以促进脱羧反应,对十七烷......
首先指出脱羧反应发生的原因,继而论述其反应的历程——离子型反应和游离基反应历程。...
2-酮基-D-葡萄糖酸属于α-碳上有吸电子基团的羧酸,受热容易发生脱羧(脱CO2)反应.本工作利用酸碱滴定的方法来确定加热前后2-酮基-......
4-羟基苯甲酸经气化、脱羧得2,6-二氯苯酚(1)。总收率67.5%。通过均匀设计找到了氯化反应最佳实验条件。脱羧反应以三乙醇胺代替剧毒的N,N-二甲基苯胺......
介绍了一种合成丙戊酸钠的新工艺,以价格便宜的丙二酸二甲酯为原料,经烃化、水解、脱羧、成盐合成丙戊酸钠,采用PEG-400为催化剂,缩短......
在小型提升管催化裂化实验装置上进行了苏丹高酸原油两段提升管催化裂化的实验研究,考察了LTB-2催化剂和ZC-7300催化剂对苏丹高酸原......