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1 cyano 2 ethoxy 2 oxoethylidenaminooxy dimethylaminomorpholinocarbeniumhexafluorophosphate comu

Manufactured by Merck Group
Sourced in Sweden

COMU is a reagent used in organic synthesis for the coupling and activation of carboxylic acids. It is a white crystalline solid that is soluble in common organic solvents. The core function of COMU is to facilitate the formation of amide bonds between carboxylic acids and amines.

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2 protocols using 1 cyano 2 ethoxy 2 oxoethylidenaminooxy dimethylaminomorpholinocarbeniumhexafluorophosphate comu

1

Oxidative Delignification of Birch Wood

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2,2,6,6-Tetramethyl-1-piperidinyloxy (TEMPO),
sodium bromide (NaBr), 1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylaminomorpholinocarbenium
hexafluorophosphate (COMU), and trifluoroethylamine hydrochloride
(TFEA·HCl) were purchased from Sigma-Aldrich, Sweden, and used
as received. Sodium hydroxide (NaOH), sodium hypochlorite (NaOCl),
sodium acetate trihydrate, sodium chlorite, ethanol, and acetonitrile
were purchased from VWR, Sweden. Deionized water was used from a laboratory
setup. The birch wood (Betula pendula) was purchased from Fredricsons Trä, Sweden.
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2

Solid-Phase Peptide Synthesis Protocol

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Fluorenylmethyloxycarbonyl (Fmoc) amino acid derivatives, di-isopropylethylamine, trifluoracetic acid, pyridine, phenol, ethanedithiol, thioanisole, (1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphate (COMU), and rink amide 9H-fluoren-9-ylmethyl N-[[4-[2-[bis(4-methylphenyl)methylamino]-2-oxoethoxy]phenyl]-(2,4-dimethoxyphenyl)methyl]carbamate (MBHA) resin (0.5 mmol/g) were purchased from Sigma-Aldrich. Caplugs Evergreen 5-inch chromatography columns, piperidine, DMF, and all other solvents (HPLC grade) were purchased from Thermo Fisher Scientific.
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