Substitutions électrophiles en série naphtalénique. V. Sur le di-<i>t</i>-butyl-2,6 naphtalène

Richer, Jean–Claude; Baskevitch, Nicolas; Erichomovitch, Lucien; Chubb, Francis L.

doi:10.1139/v68-553

Cited by 5 publications

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“…Approximately 85% of 3 present in the product could be obtained by concentrating the reaction mixture following the optimum reaction and then allowing the product to crystallise. Purification was obtained by crystallisation from hot ethanol, mp 148 ЊC (lit., 25 147-148 ЊC). Separation of the remaining 3 (ca.…”

Section: Resultsmentioning

confidence: 99%

Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts

2003

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Highly regioselective dialkylation of naphthalene using various alkylating agents can be achieved over zeolite catalysts. For example, the tert-butylation of naphthalene (1) using tert-butanol in cyclohexane over a dealuminated H-Mordenite (HM) zeolite has been optimised to give a 60% yield of 2.6-di-tert-butylnaphthalene (3) with a 2.6/2.7 ratio of over 50. This has been achieved by varying the reaction time, temperature, solvent, pressure, amount of tert-butanol, solvent and catalyst, Si/Al ratio of the catalyst, and the mode of addition. The zeolites can be easily regenerated by heating and reused.

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Section: Resultsmentioning

confidence: 99%

Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts

2003

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Photochemie aromatischer Nitroverbindungen, XVIII. Photolyse von 2,6‐Di‐ tert ‐butyl‐1‐nitronaphthalin

Döpp¹,

Wong²

1988

Chem. Ber.

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Photochemistry of Aromatic Nitro Compounds, XVIII. – Photolysis of 2,6‐Di‐tert‐bytl‐1‐nitronaphthalene While o‐nitro‐tert‐butylbenzenes 1 generally undergo a light‐induced cyclization to 3H‐indole 1‐oxides 4 or products derived therefrom, the benzohomologous 2,6‐di‐tert‐butyl‐2‐nitro‐naphthalene (5) upon irradiation exclusively forms the binaphthylidene quinone 10; the 2‐tert‐butyl group remains unaffected during the photolysis.

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Polynaphthylenes, 1. Synthesis of soluble poly(3,7‐di‐tert‐butyl‐1,5‐naphthylene) via palladium‐catalyzed coupling

Fahnenstich

Koch

Müllen

1989

Makromol. Chem., Rapid Commun.

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Substitutions électrophiles en série naphtalénique. V. Sur le di-t-butyl-2,6 naphtalène

Abstract: R e~u le 7 mai 1968Les rtactions de nitration et de bromuration du di-t-butyl-2,6 naphtaline ont CtC Ctudites. La nature des produits obtenus a CtC ttablie grice a la resonance lnagnttique nuclCaire.

Cited by 5 publications

References 0 publications

Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts

Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts

Photochemie aromatischer Nitroverbindungen, XVIII. Photolyse von 2,6‐Di‐ tert ‐butyl‐1‐nitronaphthalin

Polynaphthylenes, 1. Synthesis of soluble poly(3,7‐di‐tert‐butyl‐1,5‐naphthylene) via palladium‐catalyzed coupling

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