ChemInform Abstract: Cr(III)(salen)Cl-Catalyzed Enantioselective Intramolecular Addition of Tertiary...

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ChemInform 2010, 41, issue 02 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Pyrrole derivatives R 0120 DOI: 10.1002/chin.201002123 Cr(III)(salen)Cl-Catalyzed Enantioselective Intramolecular Addition of Tertiary Enamides to Ketones: A General Access to Enantioenriched 1H-Pyrrol-2(3H)-one Derivatives Bearing a Hydroxylated Quaternary Carbon Atom. — Substrates (I) undergo an efficient and enantioselective intramolecular addition to an activated car- bonyl moiety. The synthetic application of the products is demonstrated in the synthesis of pyrrolidinol (III). — (YANG, L.; WANG, D.-X.; HUANG, Z.-T.; WANG*, M.-X.; J. Am. Chem. Soc. 131 (2009) 30, 10390-10391; Inst. Chem., Chin. Acad. Sci., Beijing 100190, Peop. Rep. China; Eng.) — Bartels 02- 123

Transcript of ChemInform Abstract: Cr(III)(salen)Cl-Catalyzed Enantioselective Intramolecular Addition of Tertiary...

Page 1: ChemInform Abstract: Cr(III)(salen)Cl-Catalyzed Enantioselective Intramolecular Addition of Tertiary Enamides to Ketones: A General Access to Enantioenriched 1H-Pyrrol-2(3H)-one Derivatives

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Pyrrole derivativesR 0120 DOI: 10.1002/chin.201002123

Cr(III)(salen)Cl-Catalyzed Enantioselective Intramolecular Addition of Tertiary Enamides to Ketones: A General Access to Enantioenriched 1H-Pyrrol-2(3H)-one Derivatives Bearing a Hydroxylated Quaternary Carbon Atom. — Substrates (I) undergo an efficient and enantioselective intramolecular addition to an activated car-bonyl moiety. The synthetic application of the products is demonstrated in the synthesis of pyrrolidinol (III). — (YANG, L.; WANG, D.-X.; HUANG, Z.-T.; WANG*, M.-X.; J. Am. Chem. Soc. 131 (2009) 30, 10390-10391; Inst. Chem., Chin. Acad. Sci., Beijing 100190, Peop. Rep. China; Eng.) — Bartels

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ChemInform 2010, 41, issue 02 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Discussion Addendum for: Preparation of Enantioenriched ...orgsyn.org/Content/pdfs/procedures/v96p0179.pdfunder aqueous conditions.11b An example is shown in Scheme 3 for the allylation

Discussion Addendum for: Preparation of Enantioenriched ...orgsyn.org/Content/pdfs/procedures/v96p0179.pdfunder aqueous conditions.11b An example is shown in Scheme 3 for the allylation

SYNTHESIS AND CHARACTERIZATION OF THIOPHEN-3-YL …etd.lib.metu.edu.tr/upload/1081389/index.pdf · synthesis and characterization of thiophen-3-yl-acetic acid 4-pyrrol-1-yl-phenyl

SYNTHESIS AND CHARACTERIZATION OF THIOPHEN-3-YL …etd.lib.metu.edu.tr/upload/1081389/index.pdf · synthesis and characterization of thiophen-3-yl-acetic acid 4-pyrrol-1-yl-phenyl

5 memberd heterocyclic compound pyrrol

5 memberd heterocyclic compound pyrrol

Regiodivergent condensation of 5-alkoxycarbonyl-1H-pyrrol ... · Beilstein J. Org. Chem. 2017, 13, 2179–2185. 2183 Scheme 6: Spirocyclizations involving bulky ketazinones 22 and

Regiodivergent condensation of 5-alkoxycarbonyl-1H-pyrrol ... · Beilstein J. Org. Chem. 2017, 13, 2179–2185. 2183 Scheme 6: Spirocyclizations involving bulky ketazinones 22 and

Cyclopropenes An Accessible Precursor to Enantioenriched Compounds Lucie ZimmerLiterature Meeting December 1st 2009.

Cyclopropenes An Accessible Precursor to Enantioenriched Compounds Lucie ZimmerLiterature Meeting December 1st 2009.

Complimentary and personal copy for Nico Symma, Marek … · 2021. 1. 13. · ing a 2-methyl-3,4-dihydro-2H-pyrrol-3-ol, connected via a C-10 alkyl chain to a O-glucosylated hydroquinone

Complimentary and personal copy for Nico Symma, Marek … · 2021. 1. 13. · ing a 2-methyl-3,4-dihydro-2H-pyrrol-3-ol, connected via a C-10 alkyl chain to a O-glucosylated hydroquinone

HETEROCYCLES, Vol. 97, No. DOI: 10.3987/COM-18-S(T)68 ...naosite.lb.nagasaki-u.ac.jp/.../38946/1/Het97_916.pdf · Compound 1 was obtained from 5-substituted 4-iodopyrano[3,4-b]pyrrol-7(1H)-one

HETEROCYCLES, Vol. 97, No. DOI: 10.3987/COM-18-S(T)68 ...naosite.lb.nagasaki-u.ac.jp/.../38946/1/Het97_916.pdf · Compound 1 was obtained from 5-substituted 4-iodopyrano[3,4-b]pyrrol-7(1H)-one

Copper-Catalyzed Olefinic C-H Trifluoromethylation of ... · Copper-Catalyzed Olefinic C-H Trifluoromethylation of Enamides at Room Temperature Chao Feng and Teck-Peng Loh* Division

Copper-Catalyzed Olefinic C-H Trifluoromethylation of ... · Copper-Catalyzed Olefinic C-H Trifluoromethylation of Enamides at Room Temperature Chao Feng and Teck-Peng Loh* Division

Overtone spectra of porphyrins and its substituted forms ... · pyrrol breathing stretching modes of Ni(OEP) and Ni(OEP)-d4 are calculated by using U(2) al-gebraic mode Hamiltonian.

Overtone spectra of porphyrins and its substituted forms ... · pyrrol breathing stretching modes of Ni(OEP) and Ni(OEP)-d4 are calculated by using U(2) al-gebraic mode Hamiltonian.

Access to enantioenriched 2,3- and 2,5-dihydrofurans with ... › sciences › chifi › publis › refs_pdf › ref01475.pdf · systems behaved similarly and overall excellent results

Access to enantioenriched 2,3- and 2,5-dihydrofurans with ... › sciences › chifi › publis › refs_pdf › ref01475.pdf · systems behaved similarly and overall excellent results

MEANS AND METHODS FOR SYNTHESIZING PRECURSORS OF Y ... · Multiple organocatalytic approaches to obtain enantioenriched γ-nitroaldehydes have been reported (reviewed in 5). Also,

MEANS AND METHODS FOR SYNTHESIZING PRECURSORS OF Y ... · Multiple organocatalytic approaches to obtain enantioenriched γ-nitroaldehydes have been reported (reviewed in 5). Also,

Production of Anti-Inflammatory Pyrrol Compound from ...2)16/1.pdf11 2Manal M. El-Naggar, Hanan M. Abd-Elnaby, Seham A. Abou-Shousha, 31Usama M. Abdul-Raouf and Ahmed E. Abouelwafa

Production of Anti-Inflammatory Pyrrol Compound from ...2)16/1.pdf11 2Manal M. El-Naggar, Hanan M. Abd-Elnaby, Seham A. Abou-Shousha, 31Usama M. Abdul-Raouf and Ahmed E. Abouelwafa

Synthesis of Chromeno[4,3‐b]pyrrol‐4(1H)‐ones, from … · 2017. 8. 2. · reaction.[11a] Acetylenes have also been frequently used as two- carbon atom sources, needed to form

Synthesis of Chromeno[4,3‐b]pyrrol‐4(1H)‐ones, from … · 2017. 8. 2. · reaction.[11a] Acetylenes have also been frequently used as two- carbon atom sources, needed to form

Reactions of β-Chloroenones with Cyanomethylene Compounds ...shodhganga.inflibnet.ac.in/bitstream/10603/25744/10/10_chapter 5.pdf · 2-enamides 36 can be synthesized from (Z)-iodovinylic

Reactions of β-Chloroenones with Cyanomethylene Compounds ...shodhganga.inflibnet.ac.in/bitstream/10603/25744/10/10_chapter 5.pdf · 2-enamides 36 can be synthesized from (Z)-iodovinylic

Asymmetric C(sp3)-H/C(Ar) Coupling Reactions. Highly ... · 1 Asymmetric C(sp3)-H/C(Ar) Coupling Reactions. Highly Enantioenriched Indolines via Regiodivergent Reaction of a Racemic

Asymmetric C(sp3)-H/C(Ar) Coupling Reactions. Highly ... · 1 Asymmetric C(sp3)-H/C(Ar) Coupling Reactions. Highly Enantioenriched Indolines via Regiodivergent Reaction of a Racemic

reactivity of pyrrol

reactivity of pyrrol

Catalytic stereospecific alkylation of malononitriles with ...S-1 Catalytic stereospecific alkylation of malononitriles with enantioenriched primary allylic amines Man-Bo Li,a Hao

Catalytic stereospecific alkylation of malononitriles with ...S-1 Catalytic stereospecific alkylation of malononitriles with enantioenriched primary allylic amines Man-Bo Li,a Hao

A modular approach to prepare enantioenriched cyclobutanes ...

A modular approach to prepare enantioenriched cyclobutanes ...

University of Groningen Chemo and enantioselective addition …...achiral/racemic starting materials and obtain enantioenriched products by using a chiral catalyst.[3] Another strategy

University of Groningen Chemo and enantioselective addition …...achiral/racemic starting materials and obtain enantioenriched products by using a chiral catalyst.[3] Another strategy

Ruthenium-Catalyzed Formal Dehydrative [4 + 2 ... › zxyu › docs › 2019-10 › ... · dehydrative [4 + 2] cycloaddition of enamides with alkynes to directly construct pyridines

Ruthenium-Catalyzed Formal Dehydrative [4 + 2 ... › zxyu › docs › 2019-10 › ... · dehydrative [4 + 2] cycloaddition of enamides with alkynes to directly construct pyridines