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Stereocontrolled total synthesis of pentalenenes via [2 + 3] and [4 + 1] cyclopentene annulation methodologies

✍ Scribed by Hudlicky, Tomas; Natchus, Michael G.; Sinai-Zingde, Gurudas


Book ID
127212955
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
492 KB
Volume
52
Category
Article
ISSN
0022-3263

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Synthesis of 4,6-Dimethyldibenzothiophen
✍ Xiaoying Xu; Xiang Li; Anjie Wang; Yinyong Sun; W. Bernd Schweizer; Roel Prins 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 German ⚖ 270 KB

## Abstract 1,2,3,4‐Tetrahydro‐4,6‐dimethyldibenzothiophene was prepared by coupling 2‐bromo‐3‐methylcyclohexanone with 2‐methylbenzenethiol and annulating the product with the aid of polyphosphoric acid. A mixture of 1,2,3,4‐tetrahydro‐4,6‐dimethyldibenzothiophene and 4,6‐dimethyldibenzothiophene