ChemInform Abstract: Chiral Sulfonamide Induced Enantioselective Protonation of Samarium Enolate in...

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2001 furan derivatives furan derivatives R 0060 15 - 112 Chiral Sulfonamide Induced Enantioselective Protonation of Samar- ium Enolate in the Reaction of α,β-Unsaturated Ester with Ketone. — SmI 2 -Induced reductive coupling in the presence of chiral proton sources gives chiral α,γ-substituted-γ-butyrolactones (III) and (V)/(VI) with up to 84% e.e. — (WANG, WEI; XU, MING-HUA; LEI, XIN-SHENG; LIN, GUO-QIANG; Org. Lett. 2 (2000) 24, 3773-3776; Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; EN) 1

Transcript of ChemInform Abstract: Chiral Sulfonamide Induced Enantioselective Protonation of Samarium Enolate in...

Page 1: ChemInform Abstract: Chiral Sulfonamide Induced Enantioselective Protonation of Samarium Enolate in the Reaction of α,β-Unsaturated Ester with Ketone.

2001 furan derivatives

furan derivativesR 0060

15 - 112Chiral Sulfonamide Induced Enantioselective Protonation of Samar-ium Enolate in the Reaction of α,β-Unsaturated Ester with Ketone.— SmI2-Induced reductive coupling in the presence of chiral proton sourcesgives chiral α,γ-substituted-γ-butyrolactones (III) and (V)/(VI) with up to84% e.e. — (WANG, WEI; XU, MING-HUA; LEI, XIN-SHENG; LIN,GUO-QIANG; Org. Lett. 2 (2000) 24, 3773-3776; Shanghai Inst. Org. Chem.,Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; EN)

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Organocatalysis Enabled by N-Heterocyclic Carbenes · Organocatalysis Enabled by N-Heterocyclic Carbenes Jiaming Li 2018/04/27 Acyl Anions Y XN Homoenolates Acylazolium Azolium enolate

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Title Highly Efficient Catalytic Transformations of Unsaturated Compounds via Ligand-Induced

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Lipid Metabolismguralnl/gural/451Lipid Metabolism.pdfOleate: double bond at cis 9 ... Oxidation of Unsaturated Fatty acids • New enzymes • enoyl CoA isomerase • 2,4 dienoyl-CoA

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Magnetoliposomes Loaded with Poly-Unsaturated …digital.csic.es/bitstream/10261/125027/1/Magnetoliposome...Liposomes were prepared after drying chloroform suspensions of egg phosphatidylcholine,

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CH. 17 - ENOLS AND ENOLATE ANIONS: ALKYLATION AND CONDENSATIONlightcat-files.s3.amazonaws.com/packets/admin_organic-2-organic... · Once an aldol condensation is completed, an electrophilic

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Α,β-Unsaturated Carbonyl Compounds. α,β-Unsaturated Carbonyl Compounds, reactions: 1.electrophilic addition deactivated 2.nucleophilic addition activated.

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Unsaturated Soil Mechanics in Engineering · Unsaturated Soil Mechanics Problems Described in “Theoretical Soil Mechanics” by K. Terzaghi (1943)

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Stereoselective reactions of enolatesgjrowlan/stereo2/lecture7.pdf · Addition of an electrophile to an enolate • Finally, need to know the trajectory of approach of the enolate

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2[LGDWLRQRI. -unsaturated alcohols by Quinaldinium ...

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Organic Chemistry II / CHEM 252 Chapter 17 – Aldehydes …alpha.chem.umb.edu/.../Lecture_Chapter_17.pdf · Organic Chemistry II / CHEM 252 Chapter 17 ... 8 Reactions via Enols/Enolate

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III Enolate Chemistry - stuba.skszolcsanyi/education/files/Organicka chemia II... · III Enolate Chemistry Objectives By the end of this section you will: 1) know how to use the enol

III Enolate Chemistry - stuba.skszolcsanyi/education/files/Organicka chemia II... · III Enolate Chemistry Objectives By the end of this section you will: 1) know how to use the enol

Alkenes AS Chemistry. Understand that alkenes and cycloalkenes are unsaturated hydrocarbons. Explain the overlap of adjacent p-orbitals to form a π-bond.

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1 Nucleophilic reactions involving enolate anions Aldehydes, Ketons and other carbonyl compounds having H on α-C -> in equilibrium (in solution) -> Keto-Enol.

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