- Microwave-assisted silylation-amination of uracil acyclonucleosides to 4-alkylamino-2(1H)-pyrimidinone analogues.
[作者:Roy, Vincent;Mieczkowski, Adam;Topalis, Dimitri;Berteina-Raboin, Sabine;Deville-Bonne, Dominique;Nolan, Steven P.;Agrofoglio, Luigi A.;,期刊:Synthesis, 页码:2127-2133 , 文章类型: 研究论文,,卷期:2008年-13]
- The synthesis of acyclic N(4)-substituted cytosine nucleoside phosphonates using a microwave-assisted N(4)-silylation-amination and olefin cross-metathesis as key steps is described. The microwave-assisted silylation-am...
- Synthesis of amino and ammonium resorcin[4]arenes as potential receptors.
[作者:Botta, Bruno;Pierini, Marco;Delle Monache, Giuliano;Subissati, Deborah;Subrizi, Fabiana;Zappia, Giovanni;,期刊:Synthesis, 页码:2110-2116 , 文章类型: 研究论文,,卷期:2008年-13]
- Derivatives, and Condensed Benzenoid Compounds) Section Starting from the resorcin[4]arene tetrabromide I (R = Br, cone conformation) a no. of amino derivs. I (R = NH2, NHBn, 4-picolylamino, NHMePh) were prepd. Prelimin...
- MgBr2.OEt2-promoted coupling of ketones and activated acyl donors via soft enolization: a practical synthesis of 1,3-diketones.
[作者:Lim, Daniel;Zhou, Guoqiang;Livanos, Alexandra E.;Fang, Fang;Coltart, Don M.;,期刊:Synthesis, 页码:2148-2152 , 文章类型: 研究论文,,卷期:2008年-13]
- Ketones undergo soft enolization and acylation on treatment with MgBr2.OEt2, (Me2CH)2NEt, and various acylating agents to give 1,3-diketones. The process is particularly efficient for N-acylbenzotriazoles and O-pentaflu...
- Vanadium-salan catalyzed enantioselective ring opening of meso-epoxides with aromatic amines.
[作者:Sun, Jiangtao;Dai, Zhenya;Yang, Minghua;Pan, Xu;Zhu, Chengjian;,期刊:Synthesis, 页码:2100-2104 , 文章类型: 研究论文,,卷期:2008年-13]
- The first example of enantioselective ring-opening of meso-epoxides catalyzed by chiral oxovanadium(V)-salan complexes was reported. The reaction furnished 1,2-aminoalcs. in good yields and moderate to high enantioselect...
- Enantioselective synthesis of the PPARa agonist (R)-K-13675 via (S)-2-hydroxybutyrolactone. [Erratum to document cited in CA149:200809].
[作者:Yamazaki, Yukiyoshi;Araki, Takaaki;Koura, Minoru;Shibuya, Kimiyuki;,期刊:Synthesis, 页码:2154-2154 , 文章类型: 研究论文,,卷期:2008年-13]
- The sp. rotation value stated for (R)-2-[3-({benzoxazol-2-yl[3-(4-methoxyphenoxy)propyl]amino}methyl)ph enoxy]butanoic acid[(R)-K-13675, 1] was incorrect. The correct value is: [a]D25+17.0(c 1.00,CHCl3).
- One-pot multicomponent synthesis of N-substituted tryptophan-derived diketopiperazines.
[作者:Bohn Rhoden, Cristiano R.;Westermann, Bernhard;Wessjohann, Ludger A.;,期刊:Synthesis, 页码:2077-2082 , 文章类型: 研究论文,,卷期:2008年-13]
- A simple, rapid, one-pot multicomponent synthesis of tryptophan-derived diketopiperazines with variable side chains was presented. Microwave radiation gave comparable yields, but allows a significant decrease in reactio...
- A novel and efficient synthesis of 1-hydroxyquinazolin-4-ones via tin(II) chloride induced cyclization of 2-nitrobenzamides and ketones.
[作者:Shi, Daqing;Dou, Guolan;Zhou, Yao;,期刊:Synthesis, 页码:2000-2006 , 文章类型: 研究论文,,卷期:2008年-13]
- A mild, efficient, and novel synthesis of 2,3-dihydro-1-hydroxyquinazolin-4(1H)-ones via cyclization of 2-nitrobenzamides and ketones induced by SnCl2.2H2O is described. This new method has the advantages of accessible s...
- Synthesis of sulfonamides and 1,3-oxazine-2,4-diones from arylsulfonyl isocyanates and diketene.
[作者:Alizadeh, Abdolali;Zohreh, Nasrin;Zhu, Long-Guan;,期刊:Synthesis, 页码:2073-2076 , 文章类型: 研究论文,,卷期:2008年-13]
- An effective route to functionalized N1-[(2,6-dimethyl-4-oxo-4H-pyran-3-yl)carbonyl]-1-arylsulfonamide and 3-(arylsulfonyl)-6-methyl-2H-1,3-oxazine-2,4(3H)-dione derivs. was described. This involves the reaction of aryl...
- The first synthesis of bis(arylmethylidene)dioxan-5-ones. Potential scaffolds to access vicinal tricarbonyl derivatives.
[作者:Abaee, M. Saeed;Mojtahedi, Mohammad M.;Hamidi, Vahid;Mesbah, A. Wahid;Massa, Werner;,期刊:Synthesis, 页码:2122-2126 , 文章类型: 研究论文,,卷期:2008年-13]
- Double crossed-aldol condensation of a variety of arom. aldehydes with 1,3-dioxan-5-one in the presence of magnesium bromide di-Et etherate and diethylamine at room temp. was described. Excellent yields of 4,6-bis(arylm...
- Synthesis of 4-, 5- and 6-benzoylated 7-azaindoles.
[作者:Pillard, Christelle;Bassene, Carine Ekambome;Suzenet, Franck;Guillaumet, Gerald;,期刊:Synthesis, 页码:2049-2054 , 文章类型: 研究论文,,卷期:2008年-13]
- Efficient syntheses of 4-, 5- and 6-benzoyl-7-azaindoles are described. Two strategies were developed: first, formation of 4-lithio- and 5-lithio-7-azaindole and reaction with aldehydes and second organomagnesium addn. t...
- First synthesis of 3,6'- and 3,7'-biquinoline derivatives.
[作者:Broch, Sidonie;Anizon, Fabrice;Moreau, Pascale;,期刊:Synthesis, 页码:2039-2044 , 文章类型: 研究论文,,卷期:2008年-13]
- The prepn. of new 3,6'- and 3,7'-biquinoline derivs. was achieved by microwave-assisted Suzuki cross-coupling between N-protected 6- or 7-bromoquinolin-2(1H)-ones and quinolin-3-ylboronate. Moreover, a new synthesis of ...
- Formal synthesis of (-)-frontalin through diastereoselective hydrocyanation of a b-keto sulfoxide.
[作者:Ortiz, Benjamin;Sanchez-Obregon, Ruben;Toscano, Ruben A.;Yuste, Francisco;,期刊:Synthesis, 页码:2105-2109 , 文章类型: 研究论文,,卷期:2008年-13]
- The diastereoselective synthesis of (S)-4-(2,2,4-trimethyl-1,3-dioxolan-4-yl)butan-1-ol, an intermediate in the asym. synthesis of the pine beetle pheromone (-)-frontalin [(1S,5R)-1,5-dimethyl-6,8-dioxabicyclo[3.2.1]octa...
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