Synlett

Issue 04 · March 2011

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Zanda, Matteo:
SYNFORM ISSUE 2011/03
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435
Amaya, Toru; Hirao, Toshikazu:
Synthesis and Application of Redox-Active Hybrid Catalytic Systems Consisting of Polyanilines and Transition Metals

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449
Cramer, Nicolai; Seiser, Tobias:
β-Carbon Elimination from Cyclobutanols: A Clean Access to Alkylrhodium Intermediates Bearing a Quaternary Stereogenic Center

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461
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464
Alza, Esther; Sayalero, Sonia; Cambeiro, Xacobe C.; Martín-Rapún, Rafael; Miranda, Pedro O.; Pericàs, Miquel A.:
Catalytic Batch and Continuous Flow Production of Highly Enantioenriched Cyclohexane Derivatives with Polymer-Supported Diarylprolinol Silyl Ethers

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469
Enders, Dieter; Wang, Chuan; Yang, Xuena; Raabe, Gerhard:
One-Pot Organocatalytic Asymmetric Synthesis of 1H-Pyrrolo[1,2a]indol-3(2H)-ones via a Michael-Hemiaminalization-Oxidation Sequence

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473
Wang, Jian; Zhang, Man-Man; Zhang, Shieli; Xu, Zi-An; Li, Hao; Yu, Xin-Hong; Wang, Wei:
Chiral Pyrrolidine Sulfonamide Catalyzed Enantioselective Michael Addition of Cyclohexanones to Maleimides

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477
Lu, Min; Lu, Yunpeng; Tan, Puay Kah Amy; Lau, Qiu Ying; Zhong, Guofu:
Highly Enantioselective Synthesis of Fluorinated β-Amino Ketones via Asymmetric Organocatalytic Mannich Reactions: A Case Study of Unusual Reversal of Regioselectivity

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481
Bisai, Vishnumaya; Singh, Vinod K.:
Organocatalytic Enantioselective Direct Aldol Reaction in Aqueous Media Catalyzed by a Bifunctional Diamine Catalyst

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485
Hayashi, Yujiro; Yasui, Yusuke; Kawamura, Tsuyoshi; Kojima, Masahiro; Ishikawa, Hayato:
Diarylprolinol in the Direct Asymmetric Aldol Reaction of Trifluoromethylacetaldehyde Ethyl Hemiacetal with Aldehyde

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489
Vera, Silvia; Liu, Yankai; Marigo, Mauro; Escudero-Adán, Eduardo C.; Melchiorre, Paolo:
Asymmetric Michael Addition of Nitrobenzyl Pyridines to Enals via Iminium Catalysis

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495
Qiao, Yupu; Zhang, Long; Luo, Sanzhong; Cheng, Jin-Pei:
Chiral Zwitterions from Vicinal Diamines: Effective and Recoverable Asymmetric Enamine Catalysts

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499
Messerer, Matthias; Wennemers, Helma:
Reversing the Enantioselectivity of a Peptidic Catalyst by Changing the Solvent

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503
Freund, Matthias H.; Tsogoeva, Svetlana B.:
l-Proline-Catalyzed Asymmetric Michael Addition of 2-Oxindoles to Enones: A Convenient Access to Oxindoles with a Quaternary Stereocenter

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508
Ward, Dale E.; Jheengut, Vishal; Beye, Garrison E.; Gillis, H. Martin; Karagiannis, Athanasios; Becerril-Jimenez, Fabiola:
Enantioselective Direct Aldol Reactions of Achiral Ketones with Racemic Enolizable α-Substituted Aldehydes: Scope and Limitations

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letter
513
Toguem, Serge-Mithérand Tengho; Langer, Peter:
2,5,6-Trisubstituted N-Methylindoles from Site-Selective Suzuki-Miyaura Cross-Coupling, Twofold Heck and 6π-Electrocyclization-Dehydrogenation Reactions of 2,3,5-Tribromo-N-methylpyrrole

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517
Danilkina, Natalia A.; Bräse, Stefan; Balova, Irina A.:
Electrophilic Cyclization of Buta-1,3-diynylarenes: Synthesis of Precursors of (Z)-3-Ene-1,5-diyne Systems Fused to Heterocycles

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521
Praveen, Chandrasekaran; Perumal, Paramasivan Thirumalai:
Synthesis of Carbazoles by Gold(I)-Catalyzed Carbocyclization of 2-(Enynyl)indoles

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525
Niermann, André; Reissig, Hans-Ulrich:
Influence of Geminal Disubstitution on Samarium Diiodide Induced Reductive Cyclizations of γ-Aryl Ketones

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529
Jella, Rama Raju; Nagarajan, Rajagopal:
A Simple and Regioselective Synthesis of Dihydropyrido[2,3-c]carbazoles via Iodocyclization

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535
Kallemeyn, Jeffrey M.; Mulhern, Mathew M.; Ku, Yi-Yin:
Asymmetric Synthesis of Di- and Trisubstituted Cyclopropanes through an Intramolecular Ring Closure

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539
Araki, Tatsuya; Hojo, Daiki; Noguchi, Keiichi; Tanaka, Ken:
Enantioselective Synthesis of Planar Chiral Paracyclophanes with Short ansa Chains and Structure of Strained Dioxa[7]paracyclophane

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543
Teraoka, Fumiteru; Fuji, Kaoru; Ozturk, Orhan; Yoshimura, Tomoyuki; Kawabata, Takeo:
Asymmetric Carbonyl Migration of α-Amino Acid Derivatives via Memory of Chirality

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547
Miyaoka, Hiroaki; Okubo, Yusuke:
Total Synthesis of Amphilectane-Type Diterpenoid (±)-7-Isocyanoamphilecta-11(20),15-diene

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551
Teng, Yan; Toy, Patrick H.:
Rasta Resin-PPh3BnCl and its Use in Chromatography-Free Carbonyl Cyanosilylation Reactions

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555
Qi, Xingyi; Wang, Jing; Zheng, Liwei; Qi, Lin:
Selective Oxidation of Activated Alcohols by the Combination of H2O2, AcOH and NaBr: An Efficient Metal-Free Alternative

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559
Yuan, Yu; Shi, Xiao; Liu, Wei:
Transition-Metal-Free, Chemoselective Aerobic Oxidations of Sulfides and Alcohols with Potassium Nitrate and Pyridinium Tribromide or Bromine

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565
Du, Yu; Huang, Hui-Ying; Liu, Hui; Ruan, Yuan-Ping; Huang, Pei-Qiang:
Studies towards the Total Asymmetric Synthesis of the Pentacyclic Indole Alkaloid Arboflorine: Asymmetric Synthesis of a Key Intermediate

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569
Yan, Xue-Ming; Chen, Zhi-Ming; Yang, Fei; Huang, Zhi-Zhen:
A Dehydrogenative Homocoupling Reaction for the Direct Synthesis of Hydrazines from N-Alkylanilines in Air

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573
Sneddon, Helen F.; Lynn, Sean M.:
An Acid-Catalysed Conversion of 2-(4-Quinazolinylamino)benzoic Acid into 2-(2-Aminophenyl)-4(1H)-Quinazolinone

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576
Bernadat, Guillaume; George, Nicolas; Couturier, Cédric; Masson, Géraldine; Schlama, Thierry; Zhu, Jieping:
Asymmetric Synthesis of 2,4,6-Trideoxy-4-(dimethylamino)-3-C-methyl-l-lyxohexopyranose (Lemonose)

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579
Yu, Lei; Ren, Lingfeng; Yi, Rong; Wu, Yulan; Chen, Tian; Guo, Rong:
Palladium-Catalyzed Reaction of Olefins with PhI(OAc)2-TBAB System: An Efficient and Highly Selective Bisfunctionalization Strategy

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582
Tanaka, Hideo; Yano, Tomotake; Kobayashi, Kazuma; Kamenoue, Syogo; Kuroboshi, Manabu; Kawakubo, Hiromu:
TMSCl-Promoted Electroreduction of Triphenylphosphine Oxide to Triphenylphosphine

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spotlight
585
da Forezi, Luana Silva Magalhães:
Iodine Monochloride
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587
Ramesh, Chintakunta:
Iron-Acetic Acid: A Versatile Reductive Cyclizing Agent
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List, Benjamin:
Cluster Preface: Challenges of Proline-Based Aminocatalysis
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Synlett

SYNFORM ISSUE 2011/03

Synthesis and Application of Redox-Active Hybrid Catalytic Systems Consisting of Polyanilines and Transition Metals

β-Carbon Elimination from Cyclobutanols: A Clean Access to Alkylrhodium Intermediates Bearing a Quaternary Stereogenic Center

Editorial

Catalytic Batch and Continuous Flow Production of Highly Enantioenriched Cyclohexane Derivatives with Polymer-Supported Diarylprolinol Silyl Ethers

One-Pot Organocatalytic Asymmetric Synthesis of 1H-Pyrrolo[1,2a]indol-3(2H)-ones via a Michael-Hemiaminalization-Oxidation Sequence

Chiral Pyrrolidine Sulfonamide Catalyzed Enantioselective Michael Addition of Cyclohexanones to Maleimides

Highly Enantioselective Synthesis of Fluorinated β-Amino Ketones via Asymmetric Organocatalytic Mannich Reactions: A Case Study of Unusual Reversal of Regioselectivity

Organocatalytic Enantioselective Direct Aldol Reaction in Aqueous Media Catalyzed by a Bifunctional Diamine Catalyst

Diarylprolinol in the Direct Asymmetric Aldol Reaction of Trifluoromethylacetaldehyde Ethyl Hemiacetal with Aldehyde

Asymmetric Michael Addition of Nitrobenzyl Pyridines to Enals via Iminium Catalysis

Chiral Zwitterions from Vicinal Diamines: Effective and Recoverable Asymmetric Enamine Catalysts

Reversing the Enantioselectivity of a Peptidic Catalyst by Changing the Solvent

l-Proline-Catalyzed Asymmetric Michael Addition of 2-Oxindoles to Enones: A Convenient Access to Oxindoles with a Quaternary Stereocenter

Enantioselective Direct Aldol Reactions of Achiral Ketones with Racemic Enolizable α-Substituted Aldehydes: Scope and Limitations

2,5,6-Trisubstituted N-Methylindoles from Site-Selective Suzuki-Miyaura Cross-Coupling, Twofold Heck and 6π-Electrocyclization-Dehydrogenation Reactions of 2,3,5-Tribromo-N-methylpyrrole

Electrophilic Cyclization of Buta-1,3-diynylarenes: Synthesis of Precursors of (Z)-3-Ene-1,5-diyne Systems Fused to Heterocycles

Synthesis of Carbazoles by Gold(I)-Catalyzed Carbocyclization of 2-(Enynyl)indoles

Influence of Geminal Disubstitution on Samarium Diiodide Induced Reductive Cyclizations of γ-Aryl Ketones

A Simple and Regioselective Synthesis of Dihydropyrido[2,3-c]carbazoles via Iodocyclization

Asymmetric Synthesis of Di- and Trisubstituted Cyclopropanes through an Intramolecular Ring Closure

Enantioselective Synthesis of Planar Chiral Paracyclophanes with Short ansa Chains and Structure of Strained Dioxa[7]paracyclophane

Asymmetric Carbonyl Migration of α-Amino Acid Derivatives via Memory of Chirality

Total Synthesis of Amphilectane-Type Diterpenoid (±)-7-Isocyanoamphilecta-11(20),15-diene

Rasta Resin-PPh3BnCl and its Use in Chromatography-Free Carbonyl Cyanosilylation Reactions

Selective Oxidation of Activated Alcohols by the Combination of H2O2, AcOH and NaBr: An Efficient Metal-Free Alternative

Transition-Metal-Free, Chemoselective Aerobic Oxidations of Sulfides and Alcohols with Potassium Nitrate and Pyridinium Tribromide or Bromine

Studies towards the Total Asymmetric Synthesis of the Pentacyclic Indole Alkaloid Arboflorine: Asymmetric Synthesis of a Key Intermediate

A Dehydrogenative Homocoupling Reaction for the Direct Synthesis of Hydrazines from N-Alkylanilines in Air

An Acid-Catalysed Conversion of 2-(4-Quinazolinylamino)benzoic Acid into 2-(2-Aminophenyl)-4(1H)-Quinazolinone

Asymmetric Synthesis of 2,4,6-Trideoxy-4-(dimethylamino)-3-C-methyl-l-lyxohexopyranose (Lemonose)

Palladium-Catalyzed Reaction of Olefins with PhI(OAc)2-TBAB System: An Efficient and Highly Selective Bisfunctionalization Strategy

TMSCl-Promoted Electroreduction of Triphenylphosphine Oxide to Triphenylphosphine

Iodine Monochloride

Iron-Acetic Acid: A Versatile Reductive Cyclizing Agent

Cluster Preface: Challenges of Proline-Based Aminocatalysis