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ChemInform Abstract: Polar Cycloaddition of 1-Benzothiopyrylium Salts with Conjugated Dienes and Some Transformations of the Cycloadducts.

โœ Scribed by H. SHIMIZU; S. MIYAZAKI; T. KATAOKA

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
28
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Polar Cycloaddition
ChemInform Abstract: Polar Cycloaddition of Monocyclic 1,2-Thiazinylium Salt and Transformation of the Cycloadducts to 1,2-Azathiabenzenes.
โœ Hiroshi Shimizu; Takashi Hatano; Takayuki Matsuda; Tatsunori Iwamura ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 33 KB

Polar Cycloaddition of Monocyclic 1,2-Thiazinylium Salt and Transformation of the Cycloadducts to 1,2-Azathiabenzenes. -Diels-Alder reaction of the readily available thiazinylium perchlorate (VI) with the butadienes (VII) provides adducts across the C=S + bond. Deprotonation of the adducts yields 1