ChemInform Abstract: REACTION OF 2,3,5,6‐TETRAFLUOROBENZENE WITH FORMALDEHYDE

Budnik, Anne; Rusakov, S. L.; Khomenko, E. I.; Yakobson, G. G.

doi:10.1002/chin.197839179

Cited by 1 publication

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“…All the chemicals were purchased from commercial suppliers and used as received. p-Bromophenacyl bromide, 14 2,3,5,6-tetrafluoro-4-hydroxybenzyl alcohol, 15 and NCPS (non-cross-linked polystyrene) 11 were prepared following the literature procedures.…”

Section: Methodsmentioning

confidence: 99%

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Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

2002

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Various soluble polystyrene supports with fluorinated spacer or linker were prepared and studied by (19)F NMR for their use in LPOS reaction monitoring. Among three types of systems studied, the perfluoro Wang linker was found to be most efficient for this purpose. Substrates could be easily anchored to and cleaved from this new support-bound linker. The anchoring of the linker and the substrates on the polymer led to significant changes in the fluorine resonances. Therefore, the progress of these reactions could be both monitored and quantified. On the other hand, the chemical transformations on the anchored substrates led only to moderate changes in the fluorine resonances. Nevertheless, the reaction progress could also be monitored in this case. After cleavage of products, the polymer supports were recovered without loss in loading. Membrane separation technology was used to purify some polymer-bound products as well as to obtain the polymer-free cleaved product.

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Section: Methodsmentioning

confidence: 99%

“…NCPS with Perfluoro Wang Linker. Tetrafluorophenol was treated with formaldehyde following the literature procedure 15 to obtain the perfluoro Wang linker 21. Attaching this linker onto NCPS (1 mmol/g) in the presence of a base delivered the polymer 22 in good yield with no loss in loading as detected from their 1 H NMR analysis.…”

Section: Introductionmentioning

confidence: 99%

Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

2002

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ChemInform Abstract: REACTION OF 2,3,5,6‐TETRAFLUOROBENZENE WITH FORMALDEHYDE

Cited by 1 publication

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Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

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ChemInform Abstract: REACTION OF 2,3,5,6‐TETRAFLUOROBENZENE WITH FORMALDEHYDE

Cited by 1 publication

References 0 publications

Reaction Monitoring in LPOS by 19F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

Reaction Monitoring in LPOS by 19F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

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Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports

Reaction Monitoring in LPOS by ¹⁹F NMR. Study of Soluble Polymer Supports with Fluorine in Spacer or Linker Components of Supports