Synlett

Ausgabe 10 · 2001

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1499
Vedejs, E.; Daugulis, O.; MacKay, J. A.; Rozners, E.: Enantioselective Acyl Transfer Using Chiral Phosphine Catalysts

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1506
Ito, Toshimasa; Yamazaki, Naoki; Kibayashi, Chihiro: Synthesis of 1-Azaspirocycles via Lewis Acid-Mediated Spirocyclization of Cyclic N-Acyl-N,O-acetals

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1511
Ide, Mitsuaki; Nakata, Masaya: Stereoselective Synthesis of Tri- and Tetrasubstituted α,β-Unsaturated Esters via Copper-catalyzed Coupling of Enol Triflates of β-Ketoesters with Grignard-based Zinc Ate Complexes

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1516
de Koning, Martijn C.; Filippov, Dmitri V.; Meeuwenoord, Nico; Overhand, Mark; van der Marel, Gijsbert A.; van Boom, Jacques H.: Synthesis of a PNA-Peptide Conjugate by Chemical Ligation

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1519
Stevens, Christian V.; Rammeloo, Thomas; De Kimpe, Norbert: Directing the Regioselectivity of the Alkylation of Pyroglutamate Carbamates by Formation of a Stable Counter-ion Complex

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1523
Bagley, Mark C.; Dale, James W.; Hughes, David D.; Ohnesorge, Maren; Phillips, Nathan G.; Bower, Justin: Synthesis of Pyridines and Pyrido[2,3-d]pyrimidines by the Lewis Acid Catalysed Bohlmann-Rahtz Heteroannulation Reaction

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1527
Hong, Ran; Hoen, Rob; Zhang, Jing; Lin, Guo-qiang: Nickel-catalyzed Ullmann-type Coupling Reaction to Prepare Tetra-ortho-substituted Biaryls

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1531
Alcaide, Benito; Almendros, Pedro; Alonso, Jose M.; Aly, Moustafa F.; Torres, M. Rosario: Dual Behavior of 2-Azetidinone-Tethered Arylimines as Azadienophiles or Azadienes. Application to the Asymmetric Synthesis of Indolizidine-Type Systems

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1535
Kyoda, Makoto; Yokoyama, Takamichi; Maekawa, Hirofumi; Ohno, Toshinobu; Nishiguchi, Ikuzo: Regioselective C-Acylation of Vinylphosphorus Compounds Through Electroreduction or Mg-Promoted Reduction

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1539
Yang, Chuluo; Nolan, Steven P.: A Highly Efficient Palladium/Imidazolium Salt System for Catalytic Heck Reactions

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1543
Cohen, Yariv; Kotlyar, Vadim; Koeller, Sylvain; Lellouche, Jean-Paul: Reaction of C2-Symmetrical Dialkoxysilanes R₁O-Si(R₂)₂-OR₁ with the two Vilsmeier-Haack Complexes POCl₃ · DMF and (CF₃SO₂)₂O · DMF: An Efficient One-Step Conversion to the Corresponding Formates R₁-OCHO

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1547
Randl, Stefan; Buschmann, Nicole; Connon, Stephen J.; Blechert, Siegfried: Highly Efficient and Recyclable Polymer-Bound Catalyst for Olefin Metathesis Reactions

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1551
Liu, Bo; Feng, Xiaoming; Chen, Fuxue; Zhang, Guolin; Cui, Xin; Jiang, Yaozhong: Enantioselective Strecker Reaction Promoted by Chiral N-Oxides

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1555
Takemoto, Toshiyasu; Yasuda, Kosuke; Ley, Steven V.: Solid-Supported Reagents for the Oxidation of Aldehydes to Carboxylic Acids

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1557
Chang, Sukbok; Lee, Myunghee; Kim, Sunggak: N-Alkoxyimidoyl Bromides as a New and Efficient Coupling Partner in Pd-Catalyzed Stille Reaction

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1559
Mastihubová, Mária; Mastihuba, Vladimír; Kremnicky, Lubomír; Willet, Julious L.; Côté, Gregory L.: Chemoenzymatic Preparation of Novel Substrates for Feruloyl Esterases

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1561
Chandrasekhar, S.; Reddy, Ch Raji; Rao, R. Jagadeeshwar: Unprecedented Direct Conversion of N-N and N=N bonds to N-(tert-Butyloxy)-carbamates

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1563
Lee, Jong Chan; Choi, Ju-Hee; Lee, Yong Chan: Efficient Conversion of Alkyl Aryl Ketones to Aromatic Carboxylic Acids

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1565
Ermolenko, Ludmila; Sasaki, N. André; Potier, Pierre: An Expedient One-Step Preparation of (S)-2,3-O-Isopropylideneglyceraldehyde

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1567
Fall, Yagamare; Fernandez, Carlos; González, Victoria; Mouriño, Antonio: Stereoselective Synthesis of (22R)- and (22S)-22-Methyl-1α,25-Dihydroxyvitamin D₃

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1569
Follmann, Markus; Rösch, Alexander; Klegraf, Ellen; Kunz, Horst: Regio- and Stereoselective Addition of Grignard Reagents to N-Galactosyl-2-Pyridone: Synthesis of 4-Substituted 5,6-Didehydro-2-piperidinones

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1571
Qian, Hao; Shao, Li-Xiong; Huang, Xian: Polymer-Supported Selenol Esters as Useful Acylating Reagents. Application to α,β-Acetylenic Ketones Synthesis

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1573
Karade, N. N.; Kate, S. S.; Adude, R. N.: Convenient Method for the Preparation of Aryl Sulfinyl Chlorides

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1575
Cossy, Janine; Mirguet, Olivier; Pardo, Domingo Gomez: Ring Expansion: Synthesis of the Velbanamine Piperidine Core

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1578
Cossy, Janine; Willis, Catherine; Bellosta, Véronique: Enantioselective Allyltitanation and Cross-Metathesis. Synthesis of (-)-Prosophylline

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1581
Ono, Fumiaki; Negoro, Ryojyu; Sato, Tsuneo: Lithium Bromide, a Novel and Highly Effective Catalyst for Monothioacetalization of Acetals under Mild Reaction Conditions

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1584
Nakae, Yasuyuki; Kusaki, Ikuko; Sato, Tsuneo: Lithium Perchlorate Catalyzed Acetylation of Alcohols under Mild Reaction Conditions

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1587
Hanrahan, Jane R.; Knight, David W.; Salter, Rhys: On the Characteristics of Reverse-Cope Cyclizations of Homoallylic Sulfoxide Nitrone Adducts: A Highly Stereoselective Route to Pyrrolidine-N-oxides

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1590
Maki, Shojiro; Okawa, Makiko; Matsui, Ryo; Hirano, Takashi; Niwa, Haruki: Hydrogenolysis-free Hydrogenation by Pd Black Powder Catalyst

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1593
Chee, Gaik-Lean: Selective Deprotection of Isopropyl Esters, Carbamates and Carbonates with Aluminum Chloride

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1596
Hedley, Simon J.; Moran, Wesley J.; Prenzel, Alexander H. G. P.; Price, David A.; Harrity, Joseph P. A.: Synthesis of Functionalised Piperidines Through a [3 + 3] Cycloaddition Strategy

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1599
Davies, Stephen G.; Epstein, Simon W.; Ichihara, Osamu; Smith, Andrew D.: Asymmetric Synthesis of α-Amino Carbonyls (Aldehydes, Ketones and Acids) using Lithium (R)-N-benzyl-N-α-methylbenzylamide

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1602
Caldwell, John J.; Craig, Donald; East, Stephen P.: A Sulfone-mediated Synthesis of (+)-Preussin

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1605
Arcadi, Antonio; Cacchi, Sandro; Cassetta, Alberto; Fabrizi, Giancarlo; Parisi, Luca M.: Indole[1,2-c]quinazolines by Palladium-Catalyzed Cyclization of Bis(o-trifluoroacetamidophenyl) acetylene with Aryl and Vinyl Halides or Triflates

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1608
Yadav, J. S.; Bandyopadhyay, A.; Reddy, B. V. S.: Indium Mediated Efficient Conversion of 2-Iodomethyl Aziridines to Chiral Allylic Amines

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1611
Cheung, Chi-Ming; Craig, Donald; Todd, Richard S.: Intramolecular Ene Reactions for Methylenecyclohexanol Synthesis

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1614
Takai, Kazuhiko; Morita, Ryotaro; Sakamoto, Shuji: Preparation of 2,5-Disubstituted Furans from Terminal Ynones and Aldehydes with CrCl₂, Me₃SiCl, and H₂O

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1617
Miura, Katsukiyo; Ootsuka, Kazunori; Suda, Shuntaro; Nishikori, Hisashi; Hosomi, Akira: Lewis Acid-Catalyzed Reductive Amination of Carbonyl Compounds with Aminohydrosilanes

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1620
Tanaka, Kazuho; Yamano, Shinjiro; Mitsunobu, Oyo: Reductive Ring Opening of 6-Deoxy-6-iodopyranosides and 5-Deoxy-5-iodofuranosides by Manganese. A Convenient Procedure for the Preparation of Chiral 5-Hexenals and 4-Pentenals

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1623
Takamizawa, Satoshi; Wakasa, Noriko; Fuchikami, Takamasa: Supported Nickel-Catalyzed Hydrogenation of Aromatic Nitriles under Low Pressure Conditions

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1626
Liu, Yuhong; Hudson, Robert H. E.: A Sulfonic Acid Monomer Analog of PNA

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1629
Boldron, Christophe; Pitié, Marguerite; Meunier, Bernard: Simple and Efficient Syntheses of 1,10-Phenanthrolines Substituted at C3 or C3 and C8 by Methoxy or Hydroxy Groups

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1632
Tan, Yen-Ling; Widdowson, David A.; Wilhelm, René: Reversal of Asymmetric Induction in Arenetricarbonyl-chromium(0) Complexes via Dilithiation with the (-)-Sparteine/BuLi System and Enantioselective Quench

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1635
Kumaresan, Duraisamy; Santra, Sangita; Ravikanth, Mangalampalli: Synthesis of Cationic Water Soluble 21-Oxaporphyrins

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1638
Yadav, J. S.; Reddy, B. V. S.; Rao, C. Venkateshwar; Chand, Pratap K.; Prasad, A. R.: Iodine-Catalyzed Stereoselective Synthesis of Allylglycosides, Glycosyl Cyanides and Glycosyl azides

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1641
Firouzabadi, H.; Iranpoor, N.; Hazarkhani, H.: Trichloroisocyanuric Acid as a Mild and Efficient Catalyst for Thioacetalization and Transthio-acetalization Reactions

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1644
Shaaban, Mohamed R.; Fuchigami, Toshio: Highly Regioselective Anodic Monofluorination of 2H-1,4-Benzoxazin-3(4H)-one Derivatives

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1647
Smietana, Michael; Gouverneur, Veronique; Mioskowski, Charles: Synthesis of a Novel Fused α,γ-Bispyrone

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1650
Matsumoto, Takashi; Konegawa, Tadayoshi; Yamaguchi, Hiroki; Nakamura, Takeshi; Sugai, Takeshi; Suzuki, Keisuke: Lipase-Catalyzed Asymmetrization of Diacetate of Meso-2-(2-Propynyl)cyclohexane-1,2,3-triol toward the Total Synthesis of Aquayamycin

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1653
Athanasellis, Giorgos; Gavrielatos, Efstathios; Igglessi-Markopoulou, Olga: One-pot Synthesis of Optically Active Tetramic Acids from Amino Acids Mediated by 1-Hydroxybenzotriazole

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1656
Lee, Hee-Yoon; Lee, Yong-Han: A Stereoselective Synthesis of 1-Acetyl-2-aminomethylcyclopropanes from Allylsulfonamides and Phenyl(alkynyl)iodonium Salts

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1659
Inoue, Katsuyuki; Shimizu, Yasuhisa; Shibata, Ikuya; Baba, Akio: Indium(III) Chloride-Catalyzed Coupling Reaction of Acid Chlorides and Allylic Tins

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synlett spotlight
1662
Peña, Diego: 2-(Trimethylsilyl)phenyl Trifluoromethanesulfonate FREIER ZUGRIFF

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