C-Methimazole was prepared in a condensation reaction between meth laminoacetaldehyde dimethyl acetal and potassium ''C-thiocyanate in acidic medium. The yield of final product was 86.3% of theoretical with a radio purity of greater than 99.5%.
A high yield photochemical preparation of 4 - nitrocatechol- UL -14C
โ Scribed by F. A. Norris; G. G. Still
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- French
- Weight
- 187 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0022-2135
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โฆ Synopsis
Abstract
4โNitrocatechol โULโ ^14^C was synthesized in 48, 9% yield by the photolysis of 4โnitrophenol โULโ ^14^C in aqueous hydrogen peroxide.
๐ SIMILAR VOLUMES
## Abstract [5โ^14^C]โ and [4,5,6โ^14^C] glucose were prepared from [2โ^14^C]โ and [Uโ^14^C] glycerol and fructose 6โphosphate by reactions involving the enzymes glycerokinase, glycerol 3โphosphate dehydrogenase, triose phosphate isomerase, transaldolase, lactate dehydrogenase and phosphoglucose is
## Abstract Labeled silver carbonate was prepared from barium carbonateโ^13^C or โ^14^C and aqueous silver nitrate in 95 to 100% yield. Diethyl carbonateโ^13^C or โ^14^C was generated in 60 to 85% overall yield by treatment of labeled silver carbonate with ethyl iodide and tetraethylammonium iodide
## Abstract A synthetic procedure for Cโ14โlabeled NโmethylโNโnitrosoaniline is presented. Separate labeling of the methyl and phenyl side chains was achieved by using Cโ14โlabeled methyl iodide and aniline, respectively. The overall yield of the four reactions was 62% and the final products were s