- Addition of N-Heterocyclic Carbenes to Imines: Phenoxide Assisted Deprotonation of an Imidazolium Moiety and Generation of Breslow Intermediates Derived from Imines.
[作者：Simonovic, Stevan;Frison, Jean-Cedric;Koyuncu, Hasan;Whitwood, Adrian C.;Douthwaite, Richard E.;,期刊：Organic Letters, 页码：245-247 , 文章类型： 研究论文，,卷期：2009年11-1]
- presence of a proximal OH moiety, carbene formation occurs via intramol. deprotonation by phenoxide. For simple imines, a reactive Breslow-type intermediate gives access to new heterocycles with the formation of six- an...
- Homologation of Boronic Esters with Lithiated Epoxides for the Stereocontrolled Synthesis of 1,2- and 1,3-Diols and 1,2,4-Triols.
[作者：Vedrenne, Emeline;Wallner, Olov A.;Vitale, Maxime;Schmidt, Frank;Aggarwal, Varinder K.;,期刊：Organic Letters, 页码：165-168 , 文章类型： 研究论文，,卷期：2009年11-1]
- Lithiated epoxides react stereospecifically with boronic esters to give syn-1,2-diols, a process that can be used iteratively to create triols contg. four stereogenic centers.
- Reaction of Benzyne with Salicylaldehydes: General Synthesis of Xanthenes, Xanthones, and Xanthols.
[作者：Okuma, Kentaro;Nojima, Akiko;Matsunaga, Nahoko;Shioji, Kosei;,期刊：Organic Letters, 页码：169-171 , 文章类型： 研究论文，,卷期：2009年11-1]
- The reaction of salicylaldehydes with benzyne prepd. from o-trimethylsilylphenyl triflate and CsF gave xanthenes and xanthones. When the reaction was carried out under basic conditions, 9-hydroxyxanthenes (xanthols) were...
- Highly Enantioselective Synthesis of g-Nitro Heteroaromatic Ketones in a Doubly Stereocontrolled Manner Catalyzed by Bifunctional Thiourea Catalysts Based on Dehydroabietic Amine: A Doubly Stereocontrolled Approach to Pyrrolidine Carboxylic Acids.
[作者：Jiang, Xianxing;Zhang, Yifu;Chan, Albert S. C.;Wang, Rui;,期刊：Organic Letters, 页码：153-156 , 文章类型： 研究论文，,卷期：2009年11-1]
- A new class of dehydroabietic amine-substituted primary amine-thiourea bifunctional catalysts, i.e. I, were designed and synthesized. The doubly stereocontrolled organocatalytic conjugate addn. of a variety of heterocyc...
- Clavicorolides A and B, Sesquiterpenoids from the Fermentation Products of Edible Fungus Clavicorona pyxidata.
[作者：Zheng, Yongbiao;Shen, Yuemao;,期刊：Organic Letters, 页码：109-112 , 文章类型： 研究论文，,卷期：2009年11-1]
- Clavicorolides A and B, two sesquiterpenoids possessing a novel backbone named as Clavicoronane-type, together with one new and two known Protoilludane-type sesquiterpenoids, namely, Tsugicolines M, Tsugicolines A , and ...
- Stereoselective Synthesis of trans-Fused 7,6,6,7-Membered Tetracyclic Ether, Corresponding to the EFGH-Ring of Gambierol and the BCDE-Ring of Gambieric Acids.
[作者：Saito, Tatsuo;Nakata, Tadashi;,期刊：Organic Letters, 页码：113-116 , 文章类型： 研究论文，,卷期：2009年11-1]
- Stereoselective synthesis of a trans-fused 7,6,6,7-membered tetracyclic ether (I), corresponding to the EFGH-ring of gambierol and the BCDE-ring of gambieric acids, was efficiently accomplished via a two-directional appr...
- Nucleophilic Addition of Organozinc Reagents to 2-Sulfonyl Cyclic Ethers: Stereoselective Synthesis of Manassantins A and B.
[作者：Kim, Hyoungsu;Kasper, Amanda C.;Moon, Eui Jung;Park, Yongho;Wooten, Ceshea M.;Dewhirst, Mark W.;Hong, Jiyong;,期刊：Organic Letters, 页码：89-92 , 文章类型： 研究论文，,卷期：2009年11-1]
- A convergent route to the synthesis of manassantins A (I) and B (II), potent inhibitors of HIF-1, is described. Central to the synthesis is a stereoselective addn. of an organozinc reagent to a 2-benzenesulfonyl cyclic ...
- Diphenylprolinol Silyl Ether Catalysis in an Asymmetric Formal Carbo [3 + 3] Cycloaddition Reaction via a Domino Michael/Knoevenagel Condensation.
[作者：Hayashi, Yujiro;Toyoshima, Maya;Gotoh, Hiroaki;Ishikawa, Hayato;,期刊：Organic Letters, 页码：45-48 , 文章类型： 研究论文，,卷期：2009年11-1]
- Diphenylprolinol silyl ether I (R1 = H, R2 = H, TMS, TBS; R1 = CF3, R2 = TMS) was found to catalyze the formal carbo [3 + 3] cycloaddn. reaction through the domino reaction via the Michael reaction, followed by Knoevenag...
- Palladium-Catalyzed Regioselective Cyclopropanating Allenylation of (2,3-Butadienyl)malonates with Propargylic Carbonates and Their Application to Synthesize Cyclopentenones.
[作者：Shu, Wei;Jia, Guochen;Ma, Shengming;,期刊：Organic Letters, 页码：117-120 , 文章类型： 研究论文，,卷期：2009年11-1]
- An efficient and highly regioselective route to synthesize polysubstituted 1,3,4-alkatrien-2-yl cyclopropane derivs., e.g., I, via Pd(0)-catalyzed highly regioselective coupling cyclization of (2,3-butadienyl)malonates, ...
- Near-Infrared Photochromic Diarylethene Iridium (III) Complex.
[作者：Tan, Wenjuan;Zhang, Qiong;Zhang, Junji;Tian, He;,期刊：Organic Letters, 页码：161-164 , 文章类型： 研究论文，,卷期：2009年11-1]
- A novel Ir complex, (Py-BTE)2Ir(acac) [Py-BTE = 1,2-bis(5-pyridyl-2-methyl-3-thienyl)cyclopentene], coordinating to the photochromic diarylethene deriv. was prepd. This complex showed excellent near-IR photochromic beha...
- Synthesis and Properties of BF2 Complexes to Dihydroxydiones of Tetracene and Perylene: Novel Electron Acceptors Showing n-Type Semiconducting Behavior.
[作者：Ono, Katsuhiko;Yamaguchi, Hiroyuki;Taga, Keijiro;Saito, Katsuhiro;Nishida, Jun-ichi;Yamashita, Yoshiro;,期刊：Organic Letters, 页码：149-152 , 文章类型： 研究论文，,卷期：2009年11-1]
- BF2 complexes contg. tetracene and perylene moieties were synthesized as new types of electron-deficient arene compds. These compds. exhibit long wavelength absorption and high electron affinities, as revealed through s...
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