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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21条记录   Transition-Metal-Catalyzed Functionalization of Propargylic Alcohols and Their Derivatives [作者：BAUER EIKE B,期刊：Synthesis, 页码：1131-1151 , 文章类型： Review，,卷期：2012年44-8] Propargylic alcohols are valuable starting materials in organic synthesis; they are easily accessible and can be functionalized further, either through the triple bond or the alcohol functionality. Certain transition met... An Efficient and Safe Method for the Multigram Synthesis of trans-2-(Trifluoromethyl)cyclopropylamine [作者：YARMOLCHUK VLADIMIR S; BEZDUDNY ANDRII V; TOLMACHEVA NATALIYA A; LUKIN OLEG; BOYKO ALEXANDER N; CHEKOTYLO ALEXEY; TOLMACHEV ANDREI A; MYKHAILIUK PAVEL K,期刊：Synthesis, 页码：1152-1154 , 文章类型： Article，,卷期：2012年44-8] trans-2-(Trifluoromethyl) cyclopropylamine was prepared on a multigram scale from readily accessible 4,4,4-trifluorobut-2-enoic acid in five steps. The key step was a high-yielding cyclopropane ring formation from 4,4,4-... Synthesis of 1-[(Triisopropylsilyl)ethynyl]-1 lambda(3),2-benziodoxol-3(1H)-one and Alkynylation of Indoles, Thiophenes, and Anilines [作者：BRAND JONATHAN P; WASER JEROME,期刊：Synthesis, 页码：1155-1158 , 文章类型： Article，,卷期：2012年44-8] An efficient procedure was developed for the synthesis of 1-[(triisopropylsilyl)ethynyl]-1 lambda(3),2-benziodoxol-3(1H)-one on a 100-mmol (36-g) scale. The benziodoxolone can be used for the gold-catalyzed direct alkyny... Convenient Chlorination with Concentrated Hydrochloric Acid in the Presence of Iodosylbenzene [作者：KITAMURA TSUGIO; TAZAWA YUI; MORSHED MOHAMMAD HASAN; KOBAYASHI SOICHI,期刊：Synthesis, 页码：1159-1162 , 文章类型： Article，,卷期：2012年44-8] An efficient chlorination of beta-keto esters, 1,3-diketones, and alkenes was performed conveniently with concentrated HCl in the presence of PhIO, selectively giving alpha-chloro-beta-keto esters, 2-chloro-1,3-diketones... A New Route to N-1-Substituted Uracil Derivatives Using Hypervalent Iodine [作者：YOSHIMURA YUICHI; KANNO HIROYA; KIRAN Y B; NATORI YOSHIHIRO; SAITO YUKAKO; TAKAHATA HIROKI,期刊：Synthesis, 页码：1163-1170 , 文章类型： Article，,卷期：2012年44-8] In continuation of our previous study, oxidative coupling reactions of uracil with allylsilane or enol ethers were examined using diacetoxyiodobenzene. The reaction of persilylated uracil with 3,4-dihydro-2H-pyran in the... Hypervalent Iodine Mediated Oxidative Cyclization of o-Hydroxystilbenes into Benzo- and Naphthofurans [作者：SINGH FATEH V; WIRTH THOMAS,期刊：Synthesis, 页码：1171-1177 , 文章类型： Article，,卷期：2012年44-8] A new and convenient metal-free cyclization of ortho-hydroxystilbenes into 2-arylbenzofurans and 2-arylnaphthofurans mediated by hypervalent iodine reagents is described. The cyclization products are isolated in good to ... Chiral Aryl Iodide-Catalyzed Enantioselective alpha-Oxidation of Ketones [作者：RODRIGUEZ ARANTXA; MORAN WESLEY J,期刊：Synthesis, 页码：1178-1182 , 文章类型： Article，,卷期：2012年44-8] Several chiral aryl iodides were synthesized and assessed as catalysts in the enantioselective alpha-oxytosylation of propiophenone and the oxidative cyclization of 5-oxo-5-phenylpentanoic acid to 5-benzoyldihydrofuran-2... mu-Oxo-Bridged Hypervalent Iodine(III) Compound as an Extreme Oxidant for Aqueous Oxidations [作者：DOHI TOSHIFUMI; NAKAE TOMOFUMI; TAKENAGA NAOKO; UCHIYAMA TERUYOSHI; FUKUSHIMA KEIICHIRO; FUJIOKA HIROMICHI; KITA YASUYUKI,期刊：Synthesis, 页码：1183-1189 , 文章类型： Article，,卷期：2012年44-8] We have found that in aqueous oxidations the mu-oxo-bridged hypervalent iodine trifluoroacetate reagent 1 {[(PhI(OCOCF3)](2)O} is generally more reactive than the corresponding monomeric reagent, especially toward phenol... Intramolecular Olefin Diamination for the Stereoselective Synthesis of 3-Aminopiperidines [作者：KONG AIDI; BLAKEY SIMON B,期刊：Synthesis, 页码：1190-1198 , 文章类型： Article，,卷期：2012年44-8] A general method for the direct intramolecular diamination of terminal olefins is presented. The reaction, mediated by hypervalent iodine oxidants, produces substituted 3-aminopiperidine scaffolds with high regio- and st... Iodine(III)-Mediated Cyclization of Unsaturated O-Alkyl Hydroxamates: Silyl-Assisted Access to alpha-Vinyl and alpha-(2-Silylvinyl) Lactams [作者：WARDROP DUNCAN J; YERMOLINA MARIA V; BOWEN EDWARD G,期刊：Synthesis, 页码：1199-1207 , 文章类型： Article，,卷期：2012年44-8] The embodiment of lactam rings within a wealth of physiologically active natural products and pharmaceutical agents ensures that the development of synthetic methods, which facilitate the preparation of these saturated N... Synthesis of Phloroglucinol Monoaryl Ethers [作者：SHERWOOD ALEXANDER M; POND DAVID M; TRUDELL MARK L,期刊：Synthesis, 页码：1208-1212 , 文章类型： Article，,卷期：2012年44-8] A variety of novel functionalized phloroglucinol monoaryl ethers have been synthesized using a two-step procedure. Target ethers were synthesized by coupling electron-deficient aryl fluorides with 3,5-dimethoxyphenol via... Iron(III)-Catalyzed Nucleophilic Substitution of the Hydroxy Group in Benzoin by Alcohols [作者：MIRZAEI ANVAR; BISWAS SRIJIT; SAMEC JOSEPH S M,期刊：Synthesis, 页码：1213-1218 , 文章类型： Article，,卷期：2012年44-8] The etherification reaction between benzoin derivatives and alcohols catalyzed by iron(III) proceeds in moderate to good yields. Other metal complexes showed either low reactivity or low chemoselectivity where oxidation ... A Practical Silicon-Free Strategy for Differentiation of Hydroxy Groups in Arabinofuranose Derivatives [作者：ABRONINA POLINA I; PODVALNYY NIKITA M; SEDINKIN SERGEY L; FEDINA KSENIA G; ZININ ALEXANDER I; CHIZHOV ALEXANDER O; TORGOV VLADIMIR I; KONONOV LEONID O,期刊：Synthesis, 页码：1219-1225 , 文章类型： Article，,卷期：2012年44-8] Effective differentiation of 3,5-diol system and 2-hydroxy group in arabinofuranose derivatives, which is required for the preparation of building blocks useful for the synthesis of nucleoside analogues and oligosacchari... A Novel One-Pot Method for alpha-Tosyloxylation of Ketones Using a Catalytic Amount of Ammonium Iodide [作者：HU JIANTAO; ZHU MIN; XU YUAN; YAN JIE,期刊：Synthesis, 页码：1226-1232 , 文章类型： Article，,卷期：2012年44-8] A novel one-pot procedure was designed for the preparation of various alpha-tosyloxy ketones in good yields by the reaction of ketones with m-chloroperoxybenzoic acid and p-toluenesulfonic acid monohydrate in the presenc... Synthesis of Aryl Triolborates via Nickel-Catalyzed Borylation of Aryl Halides with 5-(tert-Butyldimethylsiloxymethyl)-5-methyl-1,3,2-dioxaborinane [作者：SOGABE YOSUKE; NAMIKOSHI TAKESHI; WATANABE SHINJI; MURATA MIKI,期刊：Synthesis, 页码：1233-1236 , 文章类型： Article，,卷期：2012年44-8] The nickel-catalyzed borylation of aryl halides with 5-(tert-butyldimethylsiloxymethyl)-5-methyl-1,3,2-dioxaborinane, prepared in situ, was achieved. The mild reaction conditions allowed common functional groups in the a... Direct Sulfanylation of 4-Quinazolinone via C-OH Bond Activation: An Efficient Route to 2-Aryl-4-sulfanylquinazolines [作者：PENG YIYUAN; QIU GUANYINSHENG; YANG QIN; YUAN JIANJUN; DENG ZHIHONG,期刊：Synthesis, 页码：1237-1246 , 文章类型： Article，,卷期：2012年44-8] The direct sulfanylation of 2-aryl-4-quinazolinones with thiols via C-OH bond activation under mild conditions is described. The method affords the corresponding 2-aryl-4-sulfanylquinazolines in good to excellent yield.