Some kinetic features of the initial stage of the acid‐catalyzed polycondensations of furfuryl alcohol and formaldehyde, 1

Szesztay, M.; László-Hedvig, Zs.; Tüdős, F.

doi:10.1002/apmc.1982.051070106

Cited by 12 publications

(1 citation statement)

References 9 publications

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“…Difurylmethane was isolated in low yields [79][80][81][82][83] from a mixture of furfuryl alcohol oligomerization products under acidic conditions. Difurylmethane was isolated in low yields [79][80][81][82][83] from a mixture of furfuryl alcohol oligomerization products under acidic conditions.…”

Section: R= H Mementioning

confidence: 99%

Furyl(aryl)methanes and their analogs. (Review)

Бутин¹,

Строганова²,

Kul'nevich³

1999

Chem Heterocycl Compd

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FURYL(ARYL)METHANES AND THEIR ANALOGS. (REVIEW) A. V. Butin, T. A. Stroganova, and V. G. Kul'nevich The literature data on furyl(arv. Omethanes are svstematized and analyzed for the first time. Results obtained by the authors on the synthesis, reactions, and application of these compounds are reviewed.~ "XHgCI + ~CH,CI ~ O~~OO I A convenient method for synthesis of difurylmethane is the reaction of furyllithium with furfurol and subsequent reduction of the intermediate carbinol with . It was noted that this is the optimal method for synthesis of difurylmethane because the product yield is 64% and the undesirable side products are

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Section: R= H Mementioning

confidence: 99%

Furyl(aryl)methanes and their analogs. (Review)

Бутин¹,

Строганова²,

Kul'nevich³

1999

Chem Heterocycl Compd

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Some kinetic features of the initial stage of acid‐catalyzed polycondensation of furfuryl alcohol and formaldehyde, II

László-Hedvig¹,

Szesztay²,

Pupek³

et al. 1984

Angew. Makromol. Chem.

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The initial stage of the phosphoric acid catalyzed autocondensation of furfuryl alcohol (FA) was studied in comparison with the FA-formaldehyde (F) system with special respect to formation and consumption reactions of dimers under different reaction conditions. A GPC method using simultaneously refractive index and UV absorption detectors with filters of different wavelength was developed to follow the concentration change of dimers. ZUSAMMENFASSUNG:Das Anfangsstadium der mit Phosphorsaure katalysierten Autokondensationsreaktion von Furfurylalkohol (FA) wurde untersucht im Vergleich zur Polykondensationsreaktion von Furfurylalkohol-Formaldehyd (F)-Systemen, mit besonderer Hinsicht auf die Dimer-bildenden und -verbrawhenden Reaktionen bei verschiedenen Bedingungen. Zur Bestimmung der Veranderung der Dimer-Konzentration wurde ein GPC-Verfahren mit gleichzeitiger Messung von Brechungsindex und UV-Absorption mit verschiedenen Filtern entwickelt.

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Some kinetic features of the initial stage of acid catalyzed polycondensation of furfuryl‐alcohol and formaldehyde, III

Szesztay

László-Hedvig

Tüdős

1989

Angew. Makromol. Chem.

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Accumulation of "dimers" and "trimers" considered to be inactive and consumption of active ones with reaction time in furfuryl-alcohol (FA)/formaldehyde (F) acid catalyzed condensation system was proved by GPC technique using double detector.A reaction mechanism was proposed for the condensation process explaining some contradictions of investigations collected so far. ZUSAMMENFASSUNG:Die Ansammlung von als inaktiv angenommenen ,,Dimeren" und ,,Trimeren" sowie der Verbrauch von aktiven Spezies mit der Reaktionszeit im saurekatalysierten Furfurylalkohol (FA)/Formaldehyd (F) System wurde durch GPC-Technik unter Anwendung eines Doppeldetektors bewiesen.Ein Reaktionsmechanismus wurde fur den KondensationsprozeB vorgeschlagen, der einige Widerspruche der bisherigen Untersuchungen erklgren kann.

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Some kinetic features of the initial stage of the acid‐catalyzed polycondensations of furfuryl alcohol and formaldehyde, 1

Cited by 12 publications

References 9 publications

Furyl(aryl)methanes and their analogs. (Review)

Furyl(aryl)methanes and their analogs. (Review)

Some kinetic features of the initial stage of acid‐catalyzed polycondensation of furfuryl alcohol and formaldehyde, II

Some kinetic features of the initial stage of acid catalyzed polycondensation of furfuryl‐alcohol and formaldehyde, III

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