- Pd-Catalyzed C-C Cross-Coupling Reactions within a Thermoresponsive and pH-Responsive and Chelating Polymeric Hydrogel.
[作者:Wang, Yao;Zhang, Jianzheng;Zhang, Wangqing;Zhang, Minchao;,期刊:Journal of Organic Chemistry, 页码:1923-1931 , 文章类型: 研究论文,,卷期:2009年74-5]
- A porous, thermoresponsive and pH-responsive, and chelating hydrogel of poly(N-isopropylacrylamide-2-[methacrylic acid 3-(bis-carboxymethylamino)-2-hydroxypropyl ester]) (PNIPAM-co-PMACHE) was evaluated as both reaction ...
- Highly Efficient Formal Synthesis of Cephalotaxine, Using the Stevens Rearrangement-Acid Lactonization Sequence as A Key Transformation.
[作者:Sun, Mo-ran;Lu, Hong-tao;Wang, Yan-zhi;Yang, Hua;Liu, Hong-min;,期刊:Journal of Organic Chemistry, 页码:2213-2216 , 文章类型: 研究论文,,卷期:2009年74-5]
- Cephalotaxine, the major alkaloid isolated from Cephalotaxus species, has attracted considerable attention due to the promising antitumor activity of several of its derivs. and its unique structural features. Herein we ...
- Microwave-Assisted Synthesis of Novel (5-Nitropyridin-2-yl)alkyl and (5-Nitropyridin-3-yl)alkyl Carbamates.
[作者:Henry, Christophe;Haupt, Andreas;Turner, Sean C.;,期刊:Journal of Organic Chemistry, 页码:1932-1938 , 文章类型: 研究论文,,卷期:2009年74-5]
- A straightforward approach to novel (5-nitropyridin-2-yl)alkyl and (5-nitropyridin-3-yl)alkyl carbamate building blocks, e.g., I (X= CH2, S), is presented. Their construction is achieved by condensation of N-carbamate a...
- Phosphine-mediated [3+2]-cycloaddition reactions of ethyl 5,5-diarylpenta-2,3,4-trienoates with arylmethylidenemalononitriles and N-tosylimines.
[作者:Guan, Xiao-Yang;Shi, Min;,期刊:Journal of Organic Chemistry, 页码:1977-1981 , 文章类型: 研究论文,,卷期:2009年74-5]
- Et 5,5-diarylpenta-2,3,4-trienoates were synthesized and utilized in the phosphine-mediated [3 + 2]-cycloaddn. reactions with arylmethylidenemalononitriles and N-tosylimines in the presence of tributylphosphine. These r...
- Bromonium Ion Induced Transannular Oxonium Ion Formation-Fragmentation in Model Obtusallene Systems and Structural Reassignment of Obtusallenes V-VII.
[作者:Braddock, D. Christopher;Millan, David S.;Perez-Fuertes, Yolanda;Pouwer, Rebecca H.;Sheppard, Richard N.;Solanki, Savade;White, Andrew J. P.;,期刊:Journal of Organic Chemistry, 页码:1835-1841 , 文章类型: 研究论文,,卷期:2009年74-5]
- Ring-closing metathesis was used to construct the strained 11-membered ring of obtusallenes II (and IV). Bromonium ion induced transannular oxonium ion formation-fragmentation gave the macrocyclic carbon skeleton of obt...
- CuO Nanoparticles Catalyzed C-N, C-O, and C-S Cross-Coupling Reactions: Scope and Mechanism.
[作者:Jammi, Suribabu;Sakthivel, Sekarpandi;Rout, Laxmidhar;Mukherjee, Tathagata;Mandal, Santu;Mitra, Raja;Saha, Prasenjit;Punniyamurthy, Tharmalingam;,期刊:Journal of Organic Chemistry, 页码:1971-1976 , 文章类型: 研究论文,,卷期:2009年74-5]
- CuO nanoparticles have been studied for C-N, C-O, and C-S bond formations via cross-coupling reactions of nitrogen, oxygen, and sulfur nucleophiles with aryl halides. Amides, amines, imidazoles, phenols, alcs. and thiol...
- p-Nitrophenolate: A Probe for Determining Acid Strength in Ionic Liquids.
[作者:D'Anna, Francesca;La Marca, Sandra;Noto, Renato;,期刊:Journal of Organic Chemistry, 页码:1952-1956 , 文章类型: 研究论文,,卷期:2009年74-5]
- [Image omitted] In order to obtain an acidity scale in room-temp. ionic liq. solns., the protonation equil. of sodium p-nitrophenolate in [bm2i.m.][NTf2] and in [bmpyrr][NTf2], at 298 K, was studied by spectrophotometric...
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