ChemInform Abstract: Synthesis of Novel Dihydronaphthothiazine S,S-Dioxides by Intramolecular Sulfonylamidomethylation of 2-Naphthylmethanesulfonamides Using Amberlyst XN-1010.
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- 作者：Leandro D. Sasiambarrena ; Alicia S. Canepa and Rodolfo D. Bravo
- 关键词：thiazine derivatives ; ring closure reactions ; annulation reactions ; catalysis ; phase-transfer catalysis
- 刊名：ChemInform
- 出版年：2016
- 出版时间：May, 2016
- 年：2016
- 卷：47
- 期：21
- 全文大小：23K
- ISSN：1522-2667
文摘
The cyclization of sulfonamides (I) with s-trioxane proceeds with high regioselectivity toward C1 of the naphthalene ring, while cyclization of the 1-bromo derivative (IV) is directed toward C3.