## Abstract The novel [^14^C]‐labelled 3‐carbamoyl‐4‐hydroxycoumarins were prepared in two steps from 4‐chloro‐acetylsalicyloyl chloride (3). The isotope was incorporated by the reaction of diethyl malonate‐1,3‐^14^C with 4‐chloro‐acetylsalicyloyl chloride (3). Subsequent condensation of the result
✦ LIBER ✦
Synthesis of 4-trifluoromethyl-7-hydroxycoumarin derivatives. Structure of 3-cyano-4-trifluoromethyl-7-acetoxycoumarin
✍ Scribed by Ya. V. Voznyi; M. O. Dekaprilevich; D. S. Yufit; Yu. T. Struchkov
- Book ID
- 112424363
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 379 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1573-9171
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