## Abstract An enzymatic synthesis of [^11^C]__N__βacetylβDβglucosamine is described. ^11^CO~2~ is reacted with methylmagnesium bromide to form [1β^11^C]acetate. The latter is converted to [^11^C]acetylcoenzyme A by passage over an enzyme reactor containing immobilized acetylcoenzyme A synthetase (
Enzymatic synthesis of carbon-11 acetyl coenzyme A
β Scribed by Geert Mannens; Guido Slegers; Raf Lambrecht; Patrick Goethals
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- French
- Weight
- 314 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-2135
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β¦ Synopsis
An enzymatic synthesis of ["Cl acetyl coenzyme
A from [l-l'c] acetate is described. "COZ was reacted with methylmagnesium bromide in diethyl ether at 0 'C. The excess of Grignard reagent was hydrolyzed by adding methanol. After evaporation of the solvents, the residue was redissolved in hydrochloric acid and [l-llC]acetic acid was removed by acid distillation. In the presence of cofactors the [l-"C]acetic acid was sent over an enzyme reactor containing immobilized acetyl coenzyme A synthetase (Acetate : CoA ligase
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## Abstract Details of the synthesis of tritium labelled co enzymesβnicotinamide adenine dinucleotide and coenzyme A by isotope exchange and enzymatic reactions are reported. It was established, that among the investigated chemical reactions, the most effective is solid state isotope exchange with
Resistance to acetyl-coenzyme A carboxylase (ACCase) inhibitors has developed in at least 10 grass weed species in recent years. In most instances, resistance is conferred by an ACCase alteration in the resistant biotypes that reduces sensitivity to aryloxyphenoxypropionate (AOPP) and cyclohexanedio
## Abstract An enzymatic synthesis of [^11^C] __N__βacetylserotonin is described. [1β^11^C] acetate is produced by reacting ^11^CO~2~ with methylmagnesium bromide and converted to [^11^C]acetylCoA by passage over a first enzyme reactor containing immobilized acetylcoenzyme A synthetase. The produce