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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54条记录   2-Acylamino-6-pyridones: Breaking of an Intramolecular Hydrogen Bond by Self-association and Complexation with Double and Triple Hydrogen Bonding Counterparts. Uncommon Steric Effect on Intermolecular Interactions [作者：OSMIALOWSKI BORYS; KOLEHMAINEN ERKKI; KOWALSKA MAGDALENA,期刊：Journal of Organic Chemistry, 页码：1653-1662 , 文章类型： Article，,卷期：2012年77-4] 2-Acylamino-6-pyridones (acyl = RCO, where R = Me, Et, i-Pr, t-Bu, and 1-adamantyl) were previously characterized by X-ray diffractometry and solid-state NMR techniques by us. One of these compounds was used recently in ... Liquid Triarylamines: The Scope and Limitations of Piers-Rubinsztajn Conditions for Obtaining Triarylamine-Siloxane Hybrid Materials [作者：KAMINO BRETT A; MILLS BRIDGET; REALI CHRISTOPHER; GRETTON MICHAEL J; BROOK MICHAEL A; BENDER TIMOTHY P,期刊：Journal of Organic Chemistry, 页码：1663-1674 , 文章类型： Article，,卷期：2012年77-4] New liquid triarylamine-siloxane hybrid materials are produced using the Piers-Rubinsztajn reaction. Under mild conditions, liquid analogues of conventional and commonly crystalline triarylamines are easily synthesized f... Complementary and Synergistic Roles in Enzyme-Catalyzed Regioselective and Complete Hydrolytic Deprotection of O-Acetylated beta-D-Glucopyranosides of N-Arylacetohydroxamic Acids [作者：BABA AKIKO; YOSHIOKA TADAO,期刊：Journal of Organic Chemistry, 页码：1675-1684 , 文章类型： Article，,卷期：2012年77-4] An efficient chemoenzymatic synthesis of beta-D-glucopyranosides of N-arylacetohydroxamic acids 3a-c was achieved by the chemoselective O-deacetylation of 1a-c under mild, neutral conditions, with no accompanying N-deace... Enhancement of Diastereoselectivity in Photodimerization of Alkyl 2-Naphthoates with Chiral Auxiliaries via Inclusion within gamma-Cyclodextrin Cavities [作者：XU HONGXIA; CHENG SUFANG; YANG XIUJIE; CHEN BIN; CHEN YUE; ZHANG LIPING; WU LIZHU; FANG WEIHAI; TUNG CHENHO; WEISS RICHARD G,期刊：Journal of Organic Chemistry, 页码：1685-1692 , 文章类型： Article，,卷期：2012年77-4] Irradiations of alkyl 2-naphthoates are known to result in four isomeric "cubane-like" photodimers: anti(HH)-2, syn(HH)-2, anti(HT)-2, and syn(HT)-2 where the anti(HH)-2, anti(HT)-2, and syn(HT)-2 consist of pairs of dia... Influence of Substituents on the Through-Space Shielding of Aromatic Rings [作者：ANSON COLIN W; THAMATTOOR DASAN M,期刊：Journal of Organic Chemistry, 页码：1693-1700 , 文章类型： Article，,卷期：2012年77-4] A series of naphthalene derivatives, bearing a methyl group and a substituted phenyl ring in a 1,8-relationship, have been synthesized. The chemical shifts of the protons of the methyl group, which are pointed toward the... Combined Theoretical and Experimental Study on High Diastereoselective Chirality Transfer Based on [2.2]Paracyclophane Derivative Chiral Reagent [作者：JIANG BIAO; HAN LEI; LI YONGLE; ZHAO XIAOLONG; LEI YANG; XIE DAIQIAN; ZHANG JOHN Z H,期刊：Journal of Organic Chemistry, 页码：1701-1709 , 文章类型： Article，,卷期：2012年77-4] We report a paracyclophane N-Me thioamide chiral reagent for the asymmetric thio-Claisen rearrangement with high diasteroselectivity. Comparisons between candidate chiral reagent N-phenyl-N-([2.2]paracyclophan-4-yl)amide... Asymmetric Synthesis of Cyclobutanones: Synthesis of Cyclobut-G [作者：DARSES BENJAMIN; GREENE ANDREW E; POISSON JEANFRANCOIS,期刊：Journal of Organic Chemistry, 页码：1710-1721 , 文章类型： Article，,卷期：2012年77-4] A simple, efficient, and stereoselective approach has been developed for obtaining chiral cis- and trans-disubstituted cyclobutanones from readily available alkyl- and functionalized alkyl-ubstituted enol ethers. The use... Kinetic Resolution of Secondary Alcohols Using Amidine-Based Catalysts [作者：LI XIMIN; JIANG HUI; UFFMAN ERIC W; GUO LEI; ZHANG YUHUA; YANG XING; BIRMAN VLADIMIR B,期刊：Journal of Organic Chemistry, 页码：1722-1737 , 文章类型： Article，,卷期：2012年77-4] Kinetic resolution of racemic alcohols has been traditionally achieved via enzymatic enantioselective esterification and ester hydrolysis. However, there has long been considerable interest in devising nonenzymatic alter... Toward a Stable alpha-Cycloalkyl Amino Acid with a Photoswitchable Cationic Side Chain [作者：PACCANI RICCARDO ROSSI; DONATI DONATO; FUSI STEFANIA; LATTERINI LOREDANA; FARINA GRAZIA; ZANIRATO VINICIO; OLIVUCCI MASSIMO,期刊：Journal of Organic Chemistry, 页码：1738-1748 , 文章类型： Article，,卷期：2012年77-4] The N-alkylated indanylidenepyrroline (NAIP) Schiff base 3 is an unnatural a-amino acid precursor potentially useful for the preparation of semisynthetic peptides and proteins incorporating charged side chains whose stru... [3,3]-Sigmatropic Shifts and Retro-ene Rearrangements in Cyanates, Isocyanates, Thiocyanates, and Isothiocyanates of the Form RX-YCN and RX-NCY [作者：KOCH RAINER; FINNERTY JUSTIN J; MURALI SUKUMARAN; WENTRUP CURT,期刊：Journal of Organic Chemistry, 页码：1749-1759 , 文章类型： Article，,卷期：2012年77-4] Retro-ene type [2 pi + 2 pi + 2 sigma] and [3,3]-sigmatropic shift reactions involving the substituent groups R in heteroatom-substituted cyanates and thiocyanates RX-YCN and the isomeric isocyanates and isothiocyanates ... Sensitivities of Some Imidazole-1-sulfonyl Azide Salts [作者：FISCHER NIKO; GODDARDBORGER ETHAN D; GREINER ROBERT; KLAPOETKE THOMAS M; SKELTON BRIAN W; STIERSTORFER JOERG,期刊：Journal of Organic Chemistry, 页码：1760-1764 , 文章类型： Article，,卷期：2012年77-4] Imidazole-l-sulfonyl azide hydrochloride, an inexpensive and effective diazotransfer reagent, was recently found to be impact sensitive. To identify safer-to-handle forms of this reagent, several different salts of imida... The Role of beta-Bulky Substituents in Aldol Reactions of Boron Enolates of Methylketones with Aldehydes: Experimental and Theoretical Studies by DFT Analysis [作者：DIAS LUIZ C; DE LUCCA EMILIO C JR; FERREIRA MARCO A B; GARCIA DANILO C; TORMENA CLAUDIO F,期刊：Journal of Organic Chemistry, 页码：1765-1788 , 文章类型： Article，,卷期：2012年77-4] In this work, we show the influence of the volume of the beta-substituents on the levels of 1,5-stereoselectivities of aldol reactions of boron enolates generated from beta-alkoxy methylketones with aldehydes. Excellent ... Rigid Orthogonal Bis-TEMPO Biradicals with Improved Solubility for Dynamic Nuclear Polarization [作者：DANE ERIC L; CORZILIUS BJOERN; RIZZATO EGON; STOCKER PIERRE; MALY THORSTEN; SMITH ALBERT A; GRIFFIN ROBERT G; OUARI OLIVIER; TORDO PAUL; SWAGERT TIMOTHY M,期刊：Journal of Organic Chemistry, 页码：1789-1797 , 文章类型： Article，,卷期：2012年77-4] The synthesis and characterization of oxidized bis-thioketal-trispiro dinitroxide biradicals that orient the nitroxides in a rigid, approximately orthogonal geometry are reported. The biradicals show better performance a... Selective Palladium-Catalyzed C-F Activation/Carbon-Carbon Bond Formation of Polyfluoroaryl Oxazolines [作者：YU DAOHONG; SHEN QILONG; LU LONG,期刊：Journal of Organic Chemistry, 页码：1798-1804 , 文章类型： Article，,卷期：2012年77-4] A selective palladium-catalyzed Suzuki-Miyaura coupling reaction of polyfluorophenyl oxazolines through ortho C-F activation is described. It was found that reactions with DPPF as the ligand occurred much faster than tho... Methylcarbonate and Bicarbonate Phosphonium Salts as Catalysts for the Nitroaldol (Henry) Reaction [作者：FABRIS MASSIMO; NOE MARCO; PEROSA ALVISE; SELVA MAURIZIO; BALLINI ROBERTO,期刊：Journal of Organic Chemistry, 页码：1805-1811 , 文章类型： Article，,卷期：2012年77-4] Phosphonium ionic liquids exchanged with bicarbonate and methylcarbonate anions (CILs) exhibit catalytic performances comparable to those of sterically hindered (non nucleophilic) organosuperbases such as DBU. At 25-50 d... Stereocontrolled Synthesis of Substituted Chiral Piperidines via One-Pot Asymmetric 6 pi-Azaelectrocyclization: Asymmetric Syntheses of (-)-Dendroprimine, (+)-7-Epidendroprimine, (+)-5-Epidendroprimine, and (+)-5,7-Epidendroprimine [作者：KOBAYASHI TOYOHARU; HASEGAWA FUTOSHI; HIROSE YOSHIKATSU; TANAKA KATSUNORI; MORI HAJIME; KATSUMURA SHIGEO,期刊：Journal of Organic Chemistry, 页码：1812-1832 , 文章类型： Article，,卷期：2012年77-4] The asymmetric one-pot 6 pi-azaelectrocyclization of alkenyl vinyl stannane, ethyl (Z)-2-iodo-4-oxobutenoate, and (-)-7-isopropyl-cis-aminoindanol in the presence of a Pd(0) catalyst stereoselectively produced the tetrac...