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ChemInform Abstract: (3,3)Sigmatropic Ring Expansion of Cyclic Thionocarbonates of Medium Ring-Size

โœ Scribed by S. HARUSAWA; T. KURIHARA


Book ID
112027452
Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
27
Category
Article
ISSN
0931-7597

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[3,3]Sigmatropic ring expansion of cycli
โœ Shinya Harusawa; Shigetaka Takemura; Hirotaka Osaki; Ryuji Yoneda; Takushi Kurih ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 770 KB

Yellow scale pheromone 1 has been synthesized via the route illustrated in Scheme 1. The [3,3]sigmatropic ring expansion of I-membered thionocarbonate 4 exclusively produced the Q-lO-membered thiolcarbonate 3, which was transformed via three steps to the intermediate 2 with all the necessary carbon