Facile Synthesis of 3-Alkyl-5-methyloxazolidine-2,4-diones and N -Lactoyl- N,N ′-dialkylureas
✍ Scribed by Saliu, Francesco; Galliani, Guido; Orlandi, Marco; Rindone, Bruno; Tolppa, Eeva-Liisa; Suarez-Bertoa, Ricardo
- Book ID
- 126895418
- Publisher
- Taylor and Francis Group
- Year
- 2011
- Tongue
- English
- Weight
- 175 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0039-7911
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📜 SIMILAR VOLUMES
## N-Hydroxyiminoyl chlorides reacted with N-alkyl ethynesulfonamides in the presence of triethylamine in CH 2 Cl 2 to afford the 4-alkyl-3-aryl-4,5dihydro-1,5,2,4-oxathiadiazepine-5,5-diones (3) as the major products together with N-alkyl-3-aryl-5-isoxazolesulfonamides (4).
## Abstract __N__‐alkyl pyrazolidine‐3,5‐diones and tetrahydropyridazine‐3,6‐diones have been synthesized by a new method in a three‐step sequence from dialkyl malonates or succinates respectively.