4,5-, 3,6-, and 3,4,5,6-tert-Butylsulfanylphthalonitriles: synthesis and comparative structural and spectroscopic analyses
β Scribed by Ufuk Kumru; Fabienne Dumoulin; Erwann Jeanneau; Fatma Yuksel; Yari Cabezas; Yunus Zorlu; Vefa Ahsen
- Book ID
- 106538746
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 698 KB
- Volume
- 23
- Category
- Article
- ISSN
- 1040-0400
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## Abstract This paper presents the chlorination of 3,4,5βtrichloropyridazinβ6βone and the synthesis of 3,4,5βtrichloroβ1β(4,5,6βtrichloropyridazinβ3βyl)pyridazinβ6βone.
## 5S)-2.3~,6-Tetrahydro-5-alkyl-N-(tert-butylo~carbonyl)-4~~-1 .I-oxarine-2-ones. which are readily prepared from optically pure 2-amino alcohols a&late selectively at the C-3 position to give (3S, SS)-dialkyl-2.35,6-tetrahydro-S-alkyl-N-(tertbutyloxycarbonyl)-4H-1.4-oxarine-2-ones in good yield. T