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ChemInform Abstract: New Construction of p-Tolylsulfonyl-Substituted Naphthalenes by Thermal and Photochemical Cyclization of 1-Aryl-4-(methylthio)-2-(p-tolylsulfonyl)-1,3-butadienes.

✍ Scribed by Shoji Matsumoto; Shinjiro Takahashi; Katsuyuki Ogura


Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
32
Category
Article
ISSN
0931-7597

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New construction of p-tolylsulfonyl-subs
✍ Shoji Matsumoto; Shinjiro Takahashi; Katsuyuki Ogura 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 124 KB

## Abstract Transformation of 4‐(methylthio)‐1‐phenyl‐2‐(p‐tolylsulfonyl)‐1,3‐butadiene **1a** was found to give 2‐(p‐tolylsulfonyl)naphthalene **3a** either by the action of I~2~ in refluxing acetonitrile or by irradiation with a high‐pressure Hg lamp. An electron‐withdrawing group (p‐F or p‐CO~2~