N-Heterocyclic Carbene Catalyzed Reaction of Enals and 1,2-Dicarbonyl Compounds: Stereoselective...

1
2006 Indole derivatives R 0140 N-Heterocyclic Carbene Catalyzed Reaction of Enals and 1,2-Dicarbonyl Compounds: Stereoselective Synthesis of Spiro γ-Butyrolactones. — The method affords spiroannulated oxindole derivatives and spirolactones in high yields. — (NAIR*, V.; VELLALATH, S.; POONOTH, M.; MOHAN, R.; SURESH, E.; Org. Lett. 8 (2006) 3, 507-509; Org. Chem. Div., Reg. Res. Lab., CSIR, Trivandrum 695 019, Kerala, India; Eng.) — R. Steudel 25- 134

Transcript of N-Heterocyclic Carbene Catalyzed Reaction of Enals and 1,2-Dicarbonyl Compounds: Stereoselective...

Page 1: N-Heterocyclic Carbene Catalyzed Reaction of Enals and 1,2-Dicarbonyl Compounds: Stereoselective Synthesis of Spiro γ-Butyrolactones.

2006

Indole derivativesR 0140 N-Heterocyclic Carbene Catalyzed Reaction of Enals and 1,2-Dicarbonyl

Compounds: Stereoselective Synthesis of Spiro γ-Butyrolactones. — The method affords spiroannulated oxindole derivatives and spirolactones in high yields. — (NAIR*, V.; VELLALATH, S.; POONOTH, M.; MOHAN, R.; SURESH, E.; Org. Lett. 8 (2006) 3, 507-509; Org. Chem. Div., Reg. Res. Lab., CSIR, Trivandrum 695 019, Kerala, India; Eng.) — R. Steudel

25- 134

Supporting Information - Royal Society of Chemistry · Supporting Information N-Heterocyclic Carbene-Catalyzed [3+2] Annulation of Bromoenals with 3-Aminooxindoles: Highly Enantioselective

Supporting Information - Royal Society of Chemistry · Supporting Information N-Heterocyclic Carbene-Catalyzed [3+2] Annulation of Bromoenals with 3-Aminooxindoles: Highly Enantioselective

Organic & Biomolecular Chemistry in several promising classes of chiral ligands used in asymmetric synthesis. ... spiro natural products was β-vetivone, ... Organic & Biomolecular

Organic & Biomolecular Chemistry in several promising classes of chiral ligands used in asymmetric synthesis. ... spiro natural products was β-vetivone, ... Organic & Biomolecular

Chiral N-heterocyclic carbene-catalyzed generation of ...Chiral N-heterocyclic carbene-catalyzed generation of ester enolate equivalents from α,β-unsaturated aldehydes for enantioselective

Chiral N-heterocyclic carbene-catalyzed generation of ...Chiral N-heterocyclic carbene-catalyzed generation of ester enolate equivalents from α,β-unsaturated aldehydes for enantioselective

Remote and -Thio Carbene Complexes Derived from an ... · L. Dobrzanska´ et al. ⋅ Remote and a-Thio Carbene Complexes Derived from an Oxazolinyl-substituted Thiophene 511 Scheme3.

Remote and -Thio Carbene Complexes Derived from an ... · L. Dobrzanska´ et al. ⋅ Remote and a-Thio Carbene Complexes Derived from an Oxazolinyl-substituted Thiophene 511 Scheme3.

Abstract met αrdo.psu.ac.th/sjstweb/Ar-Press/56-Sep/Sep_29.pdf · contained dicarbonyl contents, and statistics tests showed strong significant correlation between monosaccharide

Abstract met αrdo.psu.ac.th/sjstweb/Ar-Press/56-Sep/Sep_29.pdf · contained dicarbonyl contents, and statistics tests showed strong significant correlation between monosaccharide

matwbn.icm.edu.plmatwbn.icm.edu.pl/ksiazki/aa/aa68/aa6842.pdf · ACTA ARITHMETICA LXVIII.4 (1994) Divisibility of the κ-fold iterated divisor function of ninto n by Claudia Spiro-Silverman

matwbn.icm.edu.plmatwbn.icm.edu.pl/ksiazki/aa/aa68/aa6842.pdf · ACTA ARITHMETICA LXVIII.4 (1994) Divisibility of the κ-fold iterated divisor function of ninto n by Claudia Spiro-Silverman

Enantioselective access to multi-cyclic α-amino phosphonates ... lists...thesize chiral tricyclic sulfonyl amides with antimicrobial activities (Fig. 1b).12 However, carbene-catalyzed

Enantioselective access to multi-cyclic α-amino phosphonates ... lists...thesize chiral tricyclic sulfonyl amides with antimicrobial activities (Fig. 1b).12 However, carbene-catalyzed

Supporting Information - rsc.org filedecompose and release dinitrogen, acetone and carbene 12.1 In Pathway A, nucleophilic addition of in situ generated 12 to the C=O bond would generate

Supporting Information - rsc.org filedecompose and release dinitrogen, acetone and carbene 12.1 In Pathway A, nucleophilic addition of in situ generated 12 to the C=O bond would generate

Efficient construction of highly functionalizedS1 Efficient construction of highly functionalized spiro[γ-butyrolactone-pyrrolidin-3,3′-oxindole] tricyclic skeletons via an organocatalytic

Efficient construction of highly functionalizedS1 Efficient construction of highly functionalized spiro[γ-butyrolactone-pyrrolidin-3,3′-oxindole] tricyclic skeletons via an organocatalytic

Supporting Information for: withdrawing carbene ligand ... · Supporting Information for: Selective one- and two-electron reductions of a haloborane enabled by a π-withdrawing carbene

Supporting Information for: withdrawing carbene ligand ... · Supporting Information for: Selective one- and two-electron reductions of a haloborane enabled by a π-withdrawing carbene

Ph O Rh Rhodium Carbenes Ph Rh N Rh and C–H functionalization · Electronics of Carbenes Diagram of orbital overlap between Rhodium complex and Carbene Donor/Acceptor carbenes are

Ph O Rh Rhodium Carbenes Ph Rh N Rh and C–H functionalization · Electronics of Carbenes Diagram of orbital overlap between Rhodium complex and Carbene Donor/Acceptor carbenes are

α-Carbonyl Nucleophilesstaff.uny.ac.id/sites/default/files/pendidikan/Dr. Sri...Aldol condensation Claisen condensation The Michael Reaction Addition of any β-dicarbonyl compound

α-Carbonyl Nucleophilesstaff.uny.ac.id/sites/default/files/pendidikan/Dr. Sri...Aldol condensation Claisen condensation The Michael Reaction Addition of any β-dicarbonyl compound

PYRIDINES 4 β 5 3 β - Universitetet i oslo · Synthesis of Pyridines X X O O H H H2N ±H NH H OH O H NH2 OH O H ±H From 1,3-dicarbonyl and enamine (c.f. chapt. 3) X X C

PYRIDINES 4 β 5 3 β - Universitetet i oslo · Synthesis of Pyridines X X O O H H H2N ±H NH H OH O H NH2 OH O H ±H From 1,3-dicarbonyl and enamine (c.f. chapt. 3) X X C

Oxidation and β-Alkylation of Alcohols Catalysed by ...digital.csic.es/bitstream/10261/133764/1/Carbene Ligands.pdf · Oxidation and β-Alkylation of Alcohols Catalysed by Iridium(I)

Oxidation and β-Alkylation of Alcohols Catalysed by ...digital.csic.es/bitstream/10261/133764/1/Carbene Ligands.pdf · Oxidation and β-Alkylation of Alcohols Catalysed by Iridium(I)

Advanced Synthesis and Catalysis ─ Carbene Chen · dienophiles. The Diels–Alder reaction product of alkynyl ... reagent is synthetically equivalent to Cp 2 Ti=CH 2. Chen Tebbe’s

Advanced Synthesis and Catalysis ─ Carbene Chen · dienophiles. The Diels–Alder reaction product of alkynyl ... reagent is synthetically equivalent to Cp 2 Ti=CH 2. Chen Tebbe’s

SYNTHESIS - hps.biblos.pk.edu.plhps.biblos.pk.edu.pl/files/File/HJ/spisy tre%u015Bci/SYNTHESIS 1-18... · Aza-Wittig Reactions of 1,3-Dicarbonyl ... 243 Regioselective Synthesis of

SYNTHESIS - hps.biblos.pk.edu.plhps.biblos.pk.edu.pl/files/File/HJ/spisy tre%u015Bci/SYNTHESIS 1-18... · Aza-Wittig Reactions of 1,3-Dicarbonyl ... 243 Regioselective Synthesis of

Direct estimate of the internal π-donation to the carbene ...

Direct estimate of the internal π-donation to the carbene ...

Τεχνολογία α΄ γυμνασίου- Καρδιογράφος_TAKSIS/04...χρηιμοποιώνας SPIRO -31 προάρηης. πολύγλω 1 1ο μνού κύριας

Τεχνολογία α΄ γυμνασίου- Καρδιογράφος_TAKSIS/04...χρηιμοποιώνας SPIRO -31 προάρηης. πολύγλω 1 1ο μνού κύριας

Article - scielo.br · The stereoselectivity of the oxidative N rearrangement was evaluated and 2D nuclear magnetic resonance ... of natural products containing a spiro-cyclic-oxindole

Article - scielo.br · The stereoselectivity of the oxidative N rearrangement was evaluated and 2D nuclear magnetic resonance ... of natural products containing a spiro-cyclic-oxindole

Chemistry Letters€¦ · dium(II) Complexes with Tridentate N-Heterocyclic Carbene Ligands Containing Aryloxy Groups and Their Application to Heck Reaction Cl1 N1 Pd1 O1 C1 Palladium

Chemistry Letters€¦ · dium(II) Complexes with Tridentate N-Heterocyclic Carbene Ligands Containing Aryloxy Groups and Their Application to Heck Reaction Cl1 N1 Pd1 O1 C1 Palladium