- An easy access to 2-substituted azulenes from azulene-2-boronic acid pinacol ester.
[作者:Fujinaga, Masayuki;Suetake, Kouichi;Gyoji, Kazuhiro;Murafuji, Toshihiro;Kurotobi, Kei;Sugihara, Yoshikazu;,期刊:Synthesis, 页码:3745-3748 , 文章类型: 研究论文,,卷期:2008年-23]
- Azulene-2-boronic acid pinacol ester was conveniently transformed into 2-substituted azulenes bearing carboxyl, formyl, ester, or amino groups, which are difficult to access by conventional methods. Furthermore, the azu...
- Synthesis of neoechinulin A and derivatives.
[作者:Kuramochi, Kouji;Aoki, Toshiaki;Nakazaki, Atsuo;Kamisuki, Shinji;Takeno, Masahiro;Ohnishi, Kensuke;Kimoto, Kuniaki;Watanabe, Nobuo;Kamakura, Takashi;Arai, Takao;Sugawara, Fumio;Kobayashi, Susumu;,期刊:Synthesis, 页码:3810-3818 , 文章类型: 研究论文,,卷期:2008年-23]
- Neoechinulin A isolated from Eurotium rubrum showed cytoprotective activity against peroxynitrite generated from SIN-1 [3-(4-morpholinyl)sydnonimine.HCl] in PC12 cells. As the authors are interested in this biol. activi...
- Large-scale preparation of enantiomerically pure (4aR)-(-)-1,4a-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dio ne: a useful Wieland-Miescher diketone analogue.
[作者:Lanfranchi, Don Antoine;Baldovini, Nicolas;Hanquet, Gilles;,期刊:Synthesis, 页码:3775-3778 , 文章类型: 研究论文,,卷期:2008年-23]
- Wieland-Miescher diketone analog I is a widely used precursor for asym. synthesis of natural sesquiterpenes and diterpenes. Here, a large-scale prepn. (>125 g batches) of enantiomerically pure I is described starting fr...
- One-pot synthesis of 3-oxo-3,4-dihydroquinoxalines bearing a sulfonamide or an amide group.
[作者:Alizadeh, Abdolali;Babaki, Mohadeseh;Zohreh, Nasrin;Rezvanian, Atieh;,期刊:Synthesis, 页码:3793-3796 , 文章类型: 研究论文,,卷期:2008年-23]
- A three-component reaction for the synthesis of 3,4-dihydroquinoxalines bearing a sulfonamide or an amide group is described. Intermediate dihydroquinoxalines, derived from the addn. of 1,2-phenylenediamine to acetylene...
- Preparation of novel polycyclic heterocycles using a tin(II) chloride dihydrate-mediated deacetalization-bicyclization sequence.
[作者:Cayley, Alex N.;Gallagher, Katherine A.;Menard-Moyon, Cecilia;Schmidt, Jan Peter;Diorazio, Louis J.;Taylor, Richard J. K.;,期刊:Synthesis, 页码:3846-3856 , 文章类型: 研究论文,,卷期:2008年-23]
- Tin(II) chloride dihydrate-mediated deacetalization-bicyclization procedures for the construction of novel polycyclic heterocycles from amides possessing a pendant acetal group are reported. Optimization and scoping stu...
- Synthesis of multilayered [3.3](3,5)pyridinophanes.
[作者:Shibahara, Masahiko;Watanabe, Motonori;Aso, Kazuhiro;Shinmyozu, Teruo;,期刊:Synthesis, 页码:3749-3754 , 文章类型: 研究论文,,卷期:2008年-23]
- Two- to four-layered [3.3](3,5)pyridinophanes (PyPs) have been synthesized by the (4-tolylsulfonyl)methyl isocyanide (TosMIC) method. The coupling reaction between 3,5-bis[2-isocyano-2-(4-tolylsulfonyl)ethyl]pyridine (To...
- Octahydro[1,4:5,8]dimethanoanthraquinone as a cheap and readily available electron-transfer oxidant for biaryl synthesis from organocuprates.
[作者:Shukla, Ruchi;Rathore, Rajendra;,期刊:Synthesis, 页码:3769-3774 , 文章类型: 研究论文,,卷期:2008年-23]
- The prepn. of biaryls via oxidn. of organocuprates with easily synthesized octahydro[1,4:5,8]dimethanoanthraquinone (DAQ) is described. The oxidative coupling of organocuprates using DAQ was successfully employed for th...
- One-pot synthesis of a-siloxy esters using a silylated masked acyl cyanide.
[作者:Nemoto, Hisao;Ma, Rujian;Kawamura, Tomoyuki;Yatsuzuka, Kenji;Kamiya, Masaki;Shibuya, Masayuki;,期刊:Synthesis, 页码:3819-3827 , 文章类型: 研究论文,,卷期:2008年-23]
- Synthesis of a-siloxy esters via a 1-pot reaction from various aldehydes or ketones and alcs. using (NC)2CHOSiMe2CMe3 as masked acyl cyanide (MAC) reagent is described.
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