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3-Substituted Thiophenes. IX. 1 3-Thienones and 5-(3-Thienyl)-hydantoins 2

✍ Scribed by Campaigne, E.; Thomas, H. Landon

Book ID
121276322
Publisher
American Chemical Society
Year
1955
Tongue
English
Weight
638 KB
Volume
77
Category
Article
ISSN
0002-7863

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📜 SIMILAR VOLUMES

Intramolecular carbenoid insertions into
Intramolecular carbenoid insertions into thiophene: Reactions of 1-diazo-3-(2-thienyl)-2-propanone and 1-diazo-3-(3-thienyl)-2-propanone
✍ Christopher S. Frampton; David L. Pole; Kelvin Yong; Alfredo Capretta 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 262 KB

Treatment of 1-diazo-3-(2-thienyl)-2-propanone with catalytic rhodium (II) acetate results in cyclopropanation followed by acid-catalyzed ring opening and tautomerization to yield 5,6-dihydro-4Hcyclopenta[b]thiophen-5-one. Under the same conditions, however, the isomeric l-diazo-3-(3-thienyl)-2propa