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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共23条记录   An Expedient Synthesis of 2,4,6-Tris(trifluoromethyl)aniline [作者：EDELBACH BRIAN L; PHAROAH BLAZE M; BELLOWS SARINA M; THAYER PETER R; FENNIE CHARLES N; COWLEY RYAN E; HOLLAND PATRICK L,期刊：Synthesis, 页码：3595-3597 , 文章类型： Article，,卷期：2012年44-23] A simple two-step synthetic route leads to 2,4,6-tris(trifluoromethyl) aniline. It proceeds through deprotonation and iodination of 1,3,5-tris(trifluoromethyl) benzene, followed by copper-catalyzed amination. A New Route to Roflumilast via Copper-Catalyzed Hydroxylation [作者：NI FENG; LI JIANQI,期刊：Synthesis, 页码：3598-3602 , 文章类型： Article，,卷期：2012年44-23] A new route to Roflumilast, a selective phosphodiesterase type 4 (PDE 4) inhibitor, is described. The synthetic procedure starts from 4-hydroxy-3-iodobenzoic acid to access the key intermediate 3-(cyclopropylmethoxy)-4-(... A New Method for the Synthesis of 1,5-Disubstituted 1,2,3-Triazoles via Triazolium Salt Intermediates [作者：KOGUCHI SHINICHI; IZAWA KAZUKI,期刊：Synthesis, 页码：3603-3608 , 文章类型： Article，,卷期：2012年44-23] A new transition metal free procedure for the synthesis of 1,5-disubstituted 1,2,3-triazoles, which proceeds via a triazolium salt intermediate is described. Stereochemically Reliable Syntheses of Pachastrissamine and Its 2-epi-Congener via Oxazolidinone Precursors from an Established Starting Material N-tert-Butoxycarbonyl-Protected Phytosphingosine [作者：BAE HOON; JEON HONGJUN; BAEK DONG JAE; LEE DONGJOO; KIM SANGHEE,期刊：Synthesis, 页码：3609-3612 , 文章类型： Article，,卷期：2012年44-23] Efficient, stereochemically unambiguous, total syntheses of pachastrissamine and its 2-epi-congener from the readily available common precursor (1R)-1-{(4S,5S)-2-oxo-4-[(trityl-oxy)methyl]-1,3-oxazolidin-5-yl}pentadecyl ... A Synthetic Pathway to the 1,4-Dihydro-2H-3-benzoxocine System from Morita-Baylis-Hillman Cinnamyl Alcohols with 2,5-Dimethoxy-2,5-dihydrofuran via the Heck Reaction [作者：AHN SANGHYUN; KIM YOUNG KEUN; HYUN JINA; LEE KEEJUNG,期刊：Synthesis, 页码：3613-3622 , 文章类型： Article，,卷期：2012年44-23] A new synthetic method for methyl 2-methoxy-1-(methoxycarbonylmethyl)-1,4-dihydro-2H-3-benzoxocine-5-carboxylates was developed using the Heck reaction between 2,5-dimethoxy-2,5-dihydrofuran and methyl 2-(hydroxymethyl)-... Coupling Reaction of Magnesium Alkylidene Carbenoids with alpha-Sulfonylallyllithiums: An Efficient Route to Multi-Substituted Vinylallenes [作者：KIMURA TSUTOMU; KOBAYASHI GEN; ISHIGAKI MASASHI; INUMARU MIO; SAKURADA JO; SATOH TSUYOSHI,期刊：Synthesis, 页码：3623-3632 , 文章类型： Article，,卷期：2012年44-23] A variety of vinylallenes were successfully synthesized from 1-chlorovinyl p-tolyl sulfoxides and allyl or vinyl sulfones. Allyl and vinyl sulfones served as alpha-sulfonylallyllithium sources were prepared from carbonyl... Samarium Diiodide Mediated Highly Diastereoselective Conjugate Reduction of the alpha,beta-Unsaturated Ester Moiety in Heterocyclic Compounds [作者：JIANG HUI; NA RISONG; ZHANG LEI; LIU HONGLEI; LI ZHEN; WANG BO; GUO HONGCHAO,期刊：Synthesis, 页码：3633-3638 , 文章类型： Article，,卷期：2012年44-23] Tetrahydropyrazolopyrazolones and a tetrahydropyrazolodiazocinone containing an alpha,beta-unsaturated ester moiety undergo highly diastereoselective conjugate reduction mediated by samarium diiodide in the mixed solvent... Stereo- and Regioselective Synthesis of 2-Amino-3,5-diols via Stereospecific Crotyl Transfer and Regioselective Aminohydroxylation [作者：MCDONALD FRANK E; PEREIRA CLANEY L,期刊：Synthesis, 页码：3639-3648 , 文章类型： Article，,卷期：2012年44-23] A short synthesis of 2-amino-3,5-diols is described, including the all-S isomer enigmol, a synthetic anticancer compound inspired by the structure of fumonisin B-1. The synthetic route features 1) stereospecific crotyl t... One-Pot, Four-Component Synthesis of Novel Imidazo[2,1-b]thiazol-5-amine Derivatives [作者：MAHDAVI MOHAMMAD; ASADI MEHDI; SAEEDI MINA; EBRAHIMI MOSTAFA; RASOULI MOHAMMAD A; RANJBAR PARVIZ R; FOROUMADI ALIREZA; SHAFIEE ABBAS,期刊：Synthesis, 页码：3649-3654 , 文章类型： Article，,卷期：2012年44-23] Novel imidazo[2,1-b]thiazol-5-amine derivatives were synthesized by a one-pot, four-component reaction of 2-bromoacetophenone derivatives, aromatic aldehydes, thiourea, and isocyanides in the presence of ammonium chlorid... Synthesis of Nitroxide-Annulated Carbocycles and Heterocycles [作者：KALAI TAMAS; BOGNAR BALAZS; ZSOLNAI DANIEL; BERENTE ZOLTAN; HIDEG KALMAN,期刊：Synthesis, 页码：3655-3660 , 文章类型： Article，,卷期：2012年44-23] New, pyrroline nitroxide annulated lactones, polycycles, and maleimide were synthesized by classical and microwave-assisted methodology. We report the application of the metathesis reaction in the presence of nitroxide y... Investigations Concerning the Syntheses of TADDOL-Derived Secondary Amines and Their Use To Access Novel Chiral Organocatalysts [作者：GRATZER KATHARINA; WASER MARIO,期刊：Synthesis, 页码：3661-3670 , 文章类型： Article，,卷期：2012年44-23] A structurally carefully diversified library of novel TADDOL-derived chiral secondary amines was synthesized and investigated for their applicability to obtain new organocatalysts like chiral Lewis bases and chiral phase... Synthesis of Chromanes and 4H-Chromenes: Exploring the Oxidation of 2H-Chromenes and Dihydro-1-benzoxepines by Hypervalent Iodine(III) [作者：AHMAD ANEES; SILVA LUIZ F JR,期刊：Synthesis, 页码：3671-3677 , 文章类型： Article，,卷期：2012年44-23] The reaction of various oxygen-containing benzo-fused cycloalkenes were studied with the hypervalent iodine reagent hydroxy(tosyloxy) iodo]benzene [PhI(OH)OTs, HTIB]. 2H-Chromene and 4-methyl-2H-chromene resulted in subs... A Mild and Efficient Synthesis of 2-Oxazolines via Transamidation-Cyclodehydrosulfurisation of Thioamides with 2-Aminoethanol [作者：GOUD D RAGHAVENDER; PATHAK UMA,期刊：Synthesis, 页码：3678-3682 , 文章类型： Article，,卷期：2012年44-23] Transamidation of thioamides with 2-aminoethanol, followed by cyclodehydrosulfurisation of the resultant N-(beta-hydroxyethyl)thioamides, has been utilised for the mild and efficient synthesis of 2-oxazolines. The develo... General and Efficient Protocol for Formylation of Aromatic and Heterocyclic Phenols [作者：SKONIECZNY KAMIL; CHARALAMBIDIS GEORGIOS; TASIOR MARIUSZ; KRZESZEWSKI MACIEJ; KALKANBURAT AYFER; COUTSOLELOS ATHANASSIOS G; GRYKO DANIEL T,期刊：Synthesis, 页码：3683-3687 , 文章类型： Article，,卷期：2012年44-23] A convenient, general procedure for formylation of diverse range of phenols with the Duff protocol has been developed. The procedure gives dialdehydes when possible. Synthesis of Both Enantiomers of the Streptomyces Alkaloid 4-epi-SS20846A [作者：SCARPI DINA; AVATANEO OTTAVIA; PRANDI CRISTINA; VENTURELLO PAOLO; OCCHIATO ERNESTO G,期刊：Synthesis, 页码：3688-3692 , 文章类型： Article，,卷期：2012年44-23] The enantiodivergent synthesis of the Streptomyces alkaloid 4-epi-SS20846A was based on a Takai lefination/Suzuki-Miyaura coupling sequence for the highly stereoselective introduction of the E, E-pentadienyl side chain o... Stereocontrolled Photodimerization of (E)-3-Benzylidene-4-chromanones in the Crystalline State: The Effect of a Halogen Group on the Chromanone Moiety [作者：CHENG XUEMING; CHEN MIN; HUANG ZHITANG; ZHENG QIYU,期刊：Synthesis, 页码：3693-3698 , 文章类型： Article，,卷期：2012年44-23] A series of (E)-3-benzylidene-4-chromanone derivatives are synthesized, which are substituted with a halogen group on the chromanone moiety in order to control the molecular arrangement in the crystalline state. The ster...