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Academic Journal

Synthesis of P,P-bidentate caged phosphines via tungsten pentacarbonyl-promoted cycloaddition reactions of 1-alkyl-1,2-diphospholes.

Subjects: RING formation (Chemistry); TUNGSTEN; PHOSPHINES

  • Source: New Journal of Chemistry; 4/21/2024, Vol. 48 Issue 15, p6848-6856, 9p

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Academic Journal

Asymmetric Reactions Catalyzed by Chiral Tertiary Phosphines.

Subjects: NUCLEOPHILIC reactions; ADDITION reactions; RING formation (Chemistry)

  • Source: Chinese Journal of Chemistry; Nov2020, Vol. 38 Issue 11, p1395-1421, 27p

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Academic Journal

Is the reaction sequence in phosphine-catalyzed [8+2] cycloaddition controlled by electrophilicity?

Subjects: *RING formation (Chemistry); *PHOSPHINES; *FORECASTING

  • Source: Chemical Communications. 1/18/2021, Vol. 57 Issue 6, p761-764. 4p.

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The First Example of the Friedel–Crafts Cyclization Leading to (10-Hydroxy-9,10-dihydroanthr-9-yl)phosphonium Salts without the Expected Bradsher Dehydration.

Subjects: PHOSPHONIUM compounds; RING formation (Chemistry); DEHYDRATION

  • Source: International Journal of Molecular Sciences; Feb2024, Vol. 25 Issue 3, p1741, 23p

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Facile strategy for the preparation of pyrazoline derivatives through phosphine-promoted [2 + 3] cycloaddition of dialkyl azodicarboxylates with β,γ-unsaturated α-keto esters.

Subjects: *PHOSPHINES; *RING formation (Chemistry); *KETONIC acids

  • Source: Synthetic Communications. 2018, Vol. 48 Issue 9, p1085-1091. 7p. 4 Diagrams, 1 Chart.

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Phosphine-catalyzed dearomative [3+2] cycloaddition of 4-nitroisoxazoles with allenoates or Morita–Baylis–Hillman carbonates.

Subjects: RING formation (Chemistry); ORGANIC synthesis; CARBONATES

  • Source: Chemical Communications; 7/11/2024, Vol. 60 Issue 54, p6961-6964, 4p

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Academic Journal

Cycloaddition of primary phosphines to divinyl sulfide.

Subjects: *RING formation (Chemistry); *PHOSPHINES; *DIVINYL sulfide

  • Source: Russian Journal of Organic Chemistry. Jan2013, Vol. 49 Issue 1, p12-16. 5p. 4 Diagrams.

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Academic Journal

Enantioselective Catalysis of Intramolecular Morita-Baylis-Hillman and Related Reactions by Chiral Rhenium-Containing Phosphines of the Formula (η5-C5H5)Re(NO)(PPh3)(CH2PAr2).

Subjects: *PHOSPHINES; *ORGANOCATALYSIS; *RING formation (Chemistry)

  • Source: Synlett. 2007, Issue 6, p0986-0988. 3p.

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COAP‐Pd Catalyzed Asymmetric Formal [3+2] Cycloaddition for Optically Active Multistereogenic Spiro Cyclopentane‐Indandiones Bearing Cyclic N‐Sulfonyl Ketimine Skeletons.

Subjects: LIGANDS (Chemistry); RING formation (Chemistry); SKELETON

  • Source: Chemistry - An Asian Journal; 6/17/2024, Vol. 19 Issue 12, p1-7, 7p

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Trends in the Usage of Bidentate Phosphines as Ligands in Nickel Catalysis.

Subjects: *PHOSPHINES; *NICKEL catalysts; *LIGANDS (Chemistry)

  • Source: Chemical Reviews. 7/8/2020, Vol. 120 Issue 13, p6124-6196. 73p.

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  • 1-10 of  853 results for ""Phosphines""