Stable and 'lC-arylnitriles have been synthesized in 10 minutes by treatment of substituted fluoroaryl (R = H, p-Me, o-Me, p-C1) chromium tricarbonyl complexes with stable and "C-cyanide in DMSO at 115"-135'. Under the conditions used, decomplexation of the new complex occurs during the substitution
Synthesis of 11C-labeled aromatics using aryl-chromium tricarbonyl intermediates
✍ Scribed by M.J. Adam; J.A. Balatoni; L.D. Hall
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- French
- Weight
- 54 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0022-2135
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## Abstract ^11^C‐Labelled benzene derivatives were prepared catalytically by trimerizing acetylene‐^11^C with acetylene and propyne carriers over 1.5 grams of silica‐alumina support activated by potassium chromate (0.2% by weight). Optimized yields of the ^11^C‐labelled aromatics were obtained whe
## Abstract The synthesis of [1‐^11^C]pentane, [1‐^11^C]nonane, [1‐^11^C]‐ undecane, 2‐[^11^ C]methyl‐naphthalene and [^11^C]methyl‐benzene (toluene) are reported. The hydrocarbons were prepared by the coupling reaction between [^11^C]methyl iodide and the appropriate lithium organocuprate. Toluene
## Abstract The synthesis of 1‐ and 3‐^11^C‐labelled L‐lactic acid from the corresponding racemic 1‐ or 3‐^11^C‐labelled alanine using a multi‐enzymatic reaction route, is presented. DL‐[1‐^11^C]Alanine was synthesised by reacting sodium 1‐hydroxy‐ethyl sulfite with hydrogen [^11^C]cyanide, obtaine