- A convenient route to trifluoromethyl-substituted cyclopropane derivatives.
[作者:Mykhailiuk, Pavel K.;Afonin, Sergii;Ulrich, Anne S.;Komarov, Igor V.;,期刊:Synthesis, 页码:1757-1760 , 文章类型: 研究论文,,卷期:2008年-11]
- A range of alkenes were converted in a single step into the corresponding trifluoromethyl-substituted cyclopropanes by treatment with 2-diazo-1,1,1-trifluoroethane over metal catalysts. Application of the Gaspar-Roth pr...
- Cyclization of bifunctional 3,5-diamino-1H-1,2,4-triazole-1-carboximidamide, 5-amino-3-hydrazinotriazole, and 3,6-diguanidino-1,2,4,5-tetrazine: a one-step route to fluorinated heteropolycycles.
[作者:Zeng, Zhuo;Hyer, Wendell Scott;Twamley, Brendan;Shreeve, Jean'ne M.;,期刊:Synthesis, 页码:1775-1782 , 文章类型: 研究论文,,卷期:2008年-11]
- A series of new fluorine-contg. triazolylpyrimidines and pyrimidinoaminotetrazines results from one-pot reactions of 3,5-diamino-1H-1,2,4-triazole-1-carboximidamide hydrochloride and 1,4-diguanidino-2,3,4,5-tetrazine wit...
- One-pot synthesis of arylsulfonamides and azetidine-2,4-diones via multicomponent reaction of an amine, an acetylenic compound, and an arylsulfonyl isocyanate.
[作者:Alizadeh, Abdolali;Rezvanian, Atieh;,期刊:Synthesis, 页码:1747-1752 , 文章类型: 研究论文,,卷期:2008年-11]
- An effective route to novel arylsulfonamides, e.g., I, is described. It involves a three-component coupling reaction of an enamine derived from the addn. of primary or secondary amines to acetylenecarboxylates with an a...
- Microwave-irradiated transition-metal catalysis: rapid and efficient dehydrative carbon-carbon coupling of alcohols with active methylenes.
[作者:Babu, Srinivasarao Arulananda;Yasuda, Makoto;Tsukahara, Yasunori;Yamauchi, Tomohisa;Wada, Yuji;Baba, Akio;,期刊:Synthesis, 页码:1717-1724 , 文章类型: 研究论文,,卷期:2008年-11]
- A rapid and highly productive synthetic microwave-irradn. protocol for transition-metal-catalyzed C-C coupling of a wide range of benzylic/allylic alcs. with b-diones, b-keto esters, and malonates is reported. In a repr...
- A furan recyclization reaction as a new approach to isochromenes.
[作者:Butin, Alexander V.;Abaev, Vladimir T.;Mel'chin, Vladimir V.;Dmitriev, Artem S.;Pilipenko, Arkady S.;Shashkov, Alexander S.;,期刊:Synthesis, 页码:1798-1804 , 文章类型: 研究论文,,卷期:2008年-11]
- As part of interest in the synthesis of benzannelated heterocycles from ortho-substituted benzylfurans, recyclization of [2-(hydroxymethyl)aryl]difurylmethanes was studied. Under acidic conditions, the 2-hydroxymethyl g...
- N-arylations of nitrogen-containing heterocycles with aryl and heteroaryl halides using a copper(I) oxide nanoparticle/1,10-phenanthroline catalytic system.
[作者:Tang, Bo-Xiao;Guo, Sheng-Mei;Zhang, Man-Bo;Li, Jin-Heng;,期刊:Synthesis, 页码:1707-1716 , 文章类型: 研究论文,,卷期:2008年-11]
- A general procedure for solvent-free N-arylations of nitrogen-contg. heterocycles, i.e. imidazoles, triazoles, and indoles, with aryl and heteroaryl halides catalyzed by copper(I) oxide (Cu2O) nanoparticles is demonstrat...
- Synthetic study on 2,2'-(1,4-phenylene)bis(3-alkyl-1H-inden-1-ones): the first application of a sodium enolate as a 'protecting group' in the Grignard reaction.
[作者:Pang, Mei-Li;Wang, Ying;Feng, Xiang-Qing;Chen, Yong;Han, Jie;Meng, Ji-Ben;,期刊:Synthesis, 页码:1725-1728 , 文章类型: 研究论文,,卷期:2008年-11]
- Fluorescent Brighteners, and Photographic Sensitizers) Section A new series of orange 2,2'-(1,4-phenylene)bis(3-substituted-1H-inden-1-ones) was prepd. and the dye structures were established by 1H and 13C NMR, IR, and H...
- A one-step, safe synthesis of 2,4-dinitrostyrene and related (di)nitrodivinylbenzenes via Stille coupling.
[作者:Eloy, Nathalie;Pasquinet, Eric;Grech, Eric;David-Quillot, Frank;Besnard, Olivier;Poullain, Didier;,期刊:Synthesis, 页码:1805-1807 , 文章类型: 研究论文,,卷期:2008年-11]
- A one-step synthesis of 2,4-dinitrostyrene is described. Based on a Stille coupling, the procedure is more amenable to scale-up than the existing methods that require longer reaction sequences and hazardous nitration pr...
- Synthesis of 2-(2-imino-2,3-dihydropyrido[3,2-e]-1,3-thiazin-(Z)-4-ylidene)acetamide derivatives.
[作者:Kobayashi, Kazuhiro;Iitsuka, Daisuke;Konishi, Hisatoshi;,期刊:Synthesis, 页码:1703-1706 , 文章类型: 研究论文,,卷期:2008年-11]
- A facile two-step prepn. of the title pyridothiazine derivs. starting from com. available 2-chloro-6-methylpyridine-3-carbonitrile was described. The reaction of this nitrile with magnesium enolates of tertiary acetamide...
- Facile and straightforward method leading to substituted 4-amino-1-arylpyrazoles.
[作者:Simunek, Petr;Svobodova, Marketa;Bertolasi, Valerio;Machacek, Vladimir;,期刊:Synthesis, 页码:1761-1766 , 文章类型: 研究论文,,卷期:2008年-11]
- A new method for the synthesis of substituted 4-amino-1-arylpyrazoles is described, starting from b-enaminones and variously substituted benzenediazonium tetrafluoroborates. The reaction proceeds under mild conditions, ...
- Tris(pentafluorophenyl)borane-catalyzed three-component reaction for the synthesis of 1,8-dioxodecahydroacridines under solvent-free conditions.
[作者:Chandrasekhar, Srivari;Rao, Yaragorla Srinivasa;Sreelakshmi, Lella;Mahipal, Bodugam;Reddy, Chada Raji;,期刊:Synthesis, 页码:1737-1740 , 文章类型: 研究论文,,卷期:2008年-11]
- A mild and efficient method for the synthesis of 1,8-dioxodecahydroacridines was developed. The synthesis proceeds via a three-component reaction of a 1,3-dione, an aldehyde, and an amine, under solvent-free conditions,...
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