Synthesis

Ausgabe 16 · August 2006

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2625
Mátyus, Péter; Éliás, Olivér; Tapolcsányi, Pál; Polonka-Bálint, Ágnes; Halász-Dajka, Beáta:
Ring-Closure Reactions of ortho-Vinyl-tert-anilines and (Di)Aza-Heterocyclic Analogues via the tert-Amino Effect: Recent Developments

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PDF (304 kb)
short paper
2640
Furdui, Bianca; Dinica, Rodica; Druta, Ioan I.; Demeunynck, Martine:
Improved Synthesis of Cationic Pyridinium-Substituted Indolizines

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PDF (78 kb)
2643
Nising, Carl F.; Ohnemüller, Ulrike K.; Bräse, Stefan:
A Short and Practical Access to both Enantiomers of 4-Hydroxycyclohexenone Based on a Desymmetrizing CBS Reduction

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PDF (75 kb)
2646
Srihari, Pabbaraja; Yaragorla, Srinivasa Rao; Basu, Debjit; Chandrasekhar, Srivari:
Tris(pentafluorophenyl)borane-Catalyzed Synthesis of N-Benzyl Pyrrolidines

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PDF (83 kb)
paper
2649
Fukuda, Yoshimasa; Kondo, Kazuhiro; Aoyama, Toyohiko:
Construction of Tetrasubstituted Carbon by an Organocatalyst: Cyanation Reaction of Ketones and Ketimines Catalyzed by a Nucleophilic N-Heterocyclic Carbene

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PDF (95 kb)
2653
Zhou, Li; Wang, Lei:
Functionalized Ionic Liquid as an Efficient and Recyclable Reaction Medium for Phosphine-Free Palladium-Catalyzed Heck Reaction

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PDF (126 kb)
2659
Fennell, Jared W.; Semo, Michael J.; Wirth, David D.; Vaid, Radhe K.:
Use of Silyl Ester and Enamine Protection for an Efficient Alternate Synthesis of (1S,2S,5R,6S)-2-[(2′S)-(2′-Amino)propionyl]aminobicyclo[3.1.0]hexane-2,6-dicarboxylic Acid Hydrochloride (LY544344·HCl)

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PDF (180 kb)
2665
Brel, Valery K.:
Synthesis of 4,5-Dihydroisoxazoles Connected by Short Spacers to the Pentafluoro-λ⁶-sulfanyl Group

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PDF (119 kb)
2671
Lesińska, Urszula; Bocheńska, Maria:
Lower-Rim-Substituted tert-Butylcalix[4]arenes; Part IX: One-Pot Synthesis of Calix[4]arene-Hydroxamates and Calix[4]arene-Amides

HTML

PDF (262 kb)
2677
Veljkovic, Ivana; Zimmer, Reinhold; Reissig, Hans-Ulrich; Brüdgam, Irene; Hartl, Hans:
A Flexible Three-Component Synthesis of Novel δ-Amino Acids Incorporating an Imidazo[1,2-a]pyridine Backbone

HTML

PDF (177 kb)
2685
Flemming, Anke; Mamat, Constantin; Köckerling, Martin; Krempner, Clemens; Miethchen, Ralf:
Novel Carbohydrate-Based Mono- and Bidentate Oligosilyl Ethers

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PDF (362 kb)
2693
Erba, Emanuela; Pocar, Donato; Trimarco, Pasqualina:
Synthesis of 4,5-Dihydro-1H-imidazole-4-carboxylates from α-Amino Acid Amidines

HTML

PDF (89 kb)
2697
Langer, Jens; Gärtner, Martin; Görls, Helmar; Walther, Dirk:
Five- and Six-Membered Nickelacyclic Carboxylates as Reagents for the Facile Synthesis of δ-Ketocarboxylic Acids, Isocoumarins, and 1,3-Dicarbonyl Derivatives of Benzoic Acid

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PDF (231 kb)
2707
Sosnovskikh, Vyacheslav Ya; Irgashev, Roman A.; Barabanov, Mikhail A.:
3-(Polyhaloacyl)chromones and their Hetero Analogues: Synthesis and Reactions with Amines

HTML

PDF (179 kb)
2719
Maity, Prantik; König, Burkhard:
Synthesis of 3-Oxo-2,3-dihydropyrrole Amino Acids as Chiral Dipeptidomimics

HTML

PDF (135 kb)
2725
Majumdar, K. C.; Muhuri, S.:
Regioselective Synthesis of Pyrone-Annulated Sulfur Heterocycles by Aryl Radical Cyclization

HTML

PDF (148 kb)
2731
Huang, Xian; Shen, Ruwei:
Polysubstituted 5-Functionalized 2-Pyrone Derivatives: Facile Synthesis via Tandem Nucleophilic Addition/Lactonization Reaction of 1,2-Allenyl Esters

HTML

PDF (121 kb)
2738
Koketsu, Mamoru; Yamamura, Yusuke; Ishihara, Hideharu:
Synthesis of 2-Selenoxoperhydro-1,3-selenazin-4-ones and 2-Selenoxo-1,3-selenazolidin-4-ones via Diselenocarbamate Intermediates

HTML

PDF (112 kb)
2743
Rainka, Matthew P.; Dowling, Matthew S.; King, Chi-Hsin R.; Meckler, Harold; Herr, R. Jason:
Efficient Preparation of the 18-Methoxycoronaridine Side-Chain Precursor

HTML

PDF (107 kb)
2748
Ferraz, Helena M. C.; Vieira, Tiago O.; Silva, Luiz F.:
Thallium(III)-Mediated Ring Contraction of cis-Octalins: An Approach for the Diastereoselective Construction of the nor-Bakkane Skeleton

HTML

PDF (151 kb)
2753
El Kihel, Laïla; Charles, Georges:
Preparative Method for the Quantitative Separation of Methylenic Sterols from Unsaturated Sterol Mixtures by Chemoselective Hydroxymercuration-Deoxymercuration

HTML

PDF (160 kb)
2760
Marcotullio, Maria Carla; Campagna, Valerio; Sternativo, Silvia; Costantino, Ferdinando; Curini, Massimo:
A New, Simple Synthesis of N-Tosyl Pyrrolidines and Piperidines

HTML

PDF (178 kb)
2767
Rudrawar, Santosh; Besra, Ram C.; Chakraborti, Asit K.:
Perchloric Acid Adsorbed on Silica Gel (HClO₄-SiO₂) as an Extremely Efficient and Reusable Catalyst for 1,3-Dithiolane/Dithiane Formation

HTML

PDF (83 kb)
2772
Srihari, Pabbaraja; Singh, Ashutosh Pratap; Jain, Ruchi; Yadav, Jhillu Singh:
A Facile Nucleophilic Displacement of Baylis-Hillman Acetates with Ammonium Thiocyanate

HTML

PDF (102 kb)
2777
Castera-Ducros, Caroline; Crozet, Maxime D.; Vanelle, Patrice:
Efficient Synthesis of New 8-Aryl Tricyclic Pyridinones

HTML

PDF (131 kb)
2784
Chankeshwara, Sunay V.; Chakraborti, Asit K.:
Indium(III) Halides as New and Highly Efficient Catalysts for N-tert-Butoxycarbonylation of Amines

HTML

PDF (111 kb)
2789
Zinieris, Nikos; Kokinaki, Stella; Leondiadis, Leondios; Ferderigos, Nikolas:
Synthesis of 4-(Fmoc-aminoacyloxymethyl)phenoxyacetic Acids for Use in Solid-Phase Peptide Synthesis

HTML

PDF (119 kb)
2794
Begouin, Agathe; Hesse, Stéphanie; Queiroz, Maria-João R. P.; Kirsch, Gilbert:
Reactivity of Substituted Bromothiophenecarboxylates in Palladium-Catalyzed N-Arylation of Hetarylamines

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PDF (106 kb)

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Synthesis

Ring-Closure Reactions of ortho-Vinyl-tert-anilines and (Di)Aza-Heterocyclic Analogues via the tert-Amino Effect: Recent Developments

Improved Synthesis of Cationic Pyridinium-Substituted Indolizines

A Short and Practical Access to both Enantiomers of 4-Hydroxycyclohexenone Based on a Desymmetrizing CBS Reduction

Tris(pentafluorophenyl)borane-Catalyzed Synthesis of N-Benzyl Pyrrolidines

Construction of Tetrasubstituted Carbon by an Organocatalyst: Cyanation Reaction of Ketones and Ketimines Catalyzed by a Nucleophilic N-Heterocyclic Carbene

Functionalized Ionic Liquid as an Efficient and Recyclable Reaction Medium for Phosphine-Free Palladium-Catalyzed Heck Reaction

Use of Silyl Ester and Enamine Protection for an Efficient Alternate Synthesis of (1S,2S,5R,6S)-2-[(2′S)-(2′-Amino)propionyl]aminobicyclo[3.1.0]hexane-2,6-dicarboxylic Acid Hydrochloride (LY544344·HCl)

Synthesis of 4,5-Dihydroisoxazoles Connected by Short Spacers to the Pentafluoro-λ⁶-sulfanyl Group

Lower-Rim-Substituted tert-Butylcalix[4]arenes; Part IX: One-Pot Synthesis of Calix[4]arene-Hydroxamates and Calix[4]arene-Amides

A Flexible Three-Component Synthesis of Novel δ-Amino Acids Incorporating an Imidazo[1,2-a]pyridine Backbone

Novel Carbohydrate-Based Mono- and Bidentate Oligosilyl Ethers

Synthesis of 4,5-Dihydro-1H-imidazole-4-carboxylates from α-Amino Acid Amidines

Five- and Six-Membered Nickelacyclic Carboxylates as Reagents for the Facile Synthesis of δ-Ketocarboxylic Acids, Isocoumarins, and 1,3-Dicarbonyl Derivatives of Benzoic Acid

3-(Polyhaloacyl)chromones and their Hetero Analogues: Synthesis and Reactions with Amines

Synthesis of 3-Oxo-2,3-dihydropyrrole Amino Acids as Chiral Dipeptidomimics

Regioselective Synthesis of Pyrone-Annulated Sulfur Heterocycles by Aryl Radical Cyclization

Polysubstituted 5-Functionalized 2-Pyrone Derivatives: Facile Synthesis via Tandem Nucleophilic Addition/Lactonization Reaction of 1,2-Allenyl Esters

Synthesis of 2-Selenoxoperhydro-1,3-selenazin-4-ones and 2-Selenoxo-1,3-selenazolidin-4-ones via Diselenocarbamate Intermediates

Efficient Preparation of the 18-Methoxycoronaridine Side-Chain Precursor

Thallium(III)-Mediated Ring Contraction of cis-Octalins: An Approach for the Diastereoselective Construction of the nor-Bakkane Skeleton

Preparative Method for the Quantitative Separation of Methylenic Sterols from Unsaturated Sterol Mixtures by Chemoselective Hydroxymercuration-Deoxymercuration

A New, Simple Synthesis of N-Tosyl Pyrrolidines and Piperidines

Perchloric Acid Adsorbed on Silica Gel (HClO₄-SiO₂) as an Extremely Efficient and Reusable Catalyst for 1,3-Dithiolane/Dithiane Formation

A Facile Nucleophilic Displacement of Baylis-Hillman Acetates with Ammonium Thiocyanate

Efficient Synthesis of New 8-Aryl Tricyclic Pyridinones

Indium(III) Halides as New and Highly Efficient Catalysts for N-tert-Butoxycarbonylation of Amines

Synthesis of 4-(Fmoc-aminoacyloxymethyl)phenoxyacetic Acids for Use in Solid-Phase Peptide Synthesis

Reactivity of Substituted Bromothiophenecarboxylates in Palladium-Catalyzed N-Arylation of Hetarylamines