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ChemInform Abstract: Synthesis of 1,4-Oxathiocines and Thiopyrans by the Reaction of 2- Amino-4,5-dihydro-3-thiophenecarbonitriles with Ethyl Diazoacetoacetate.

✍ Scribed by K. YAMAGATA; K. AKIZUKI; M. YAMAZAKI

Book ID
112037662
Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
27
Category
Article
ISSN
0931-7597

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Synthesis of 1,4-Oxathiocines and Thiopy
Synthesis of 1,4-Oxathiocines and Thiopyrans by the Reaction of 2-Amino-4,5-dihydro-3-thiophenecarbonitriles with Ethyl Diazoacetoacetate
✍ Yamagata, Kenji ;Akizuki, Keiko ;Yamazaki, Motoyoshi 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 538 KB

## Abstract The reaction of 4,5‐dihydro‐2‐(4‐morpholinyl)‐ or ‐2‐(1‐piperidinyl)‐ or ‐2‐(1‐pyrrolidinyl)‐3‐thiophenecarbonitriles 1a–i with ethyl diazoacetoacetate in the presence of rhodium (II) acetate dimer gave the corresponding ethyl 1,4‐oxathiocine‐3‐carboxylates 2a–f, h and acetyl(dihydro‐1‐