Synthesis of tritium-labelled diazines and their analogues
β Scribed by Nykolai F. Myasoedov; Georgy V. Sidorov
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- French
- Weight
- 542 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0022-2135
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## Abstract Regiospecific syntheses of tritium labelled precocene I (**5a**) and precocene II (**5b**), the antijuvenile hormones, have been accomplished. The syntheses involved condensations between 2βhydroxyacetophenones (**1**) with acetoneβT to give cross condensation products **2** which on cy
## Abstract The preparation of tritium labelled catechol by catalytic reduction of tetrabromocatechol is described. Recrystallization of catechol (Uβ^3^H) after silica gel column purification gave 68% yield of the desired product with 98% purity as assayed by high performance liquid chromatography.