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ChemInform Abstract: Reaction of 1,3-Thiazole-5(4H)-thiones with 1,2-Epoxycycloalkanes: Formation of Spirocyclic 1,3-Oxathiolanes.

โœ Scribed by Milen Blagoev; Anthony Linden; Heinz Heimgartner

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

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Reaction of 1,3-Thiazole-5(4H)-thiones w
Reaction of 1,3-Thiazole-5(4H)-thiones with 1,2-Epoxycycloalkanes: Formation of Spirocyclic 1,3-Oxathiolanes
โœ Milen Blagoev; Anthony Linden; Heinz Heimgartner ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 168 KB

Treatment of solutions of 1,3-thiazole-5(4H)-thiones 1 in CH 2 Cl 2 at room temperature with BF 3 ยดEt 2 O and 1,2-epoxycyclohexane (7-oxabicyclo[4.1.0]heptane; 2a) or 1,2-epoxycyclopentane (6-oxabicyclo[3.1.0]hexane; 2b) yielded mixtures of diastereoisomeric spirocyclic 1,3-oxathiolanes (3/4 and 8/9

ChemInform Abstract: [2 + 3] Cycloadditi
ChemInform Abstract: [2 + 3] Cycloadditions of Azomethine Ylides with 1,3-Thiazole-5(4H)-thiones.
โœ G. MLOSTON; A. LINDEN; H. HEIMGARTEN ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 36 KB ๐Ÿ‘ 1 views

## 23 -130 [2 + 3] Cycloadditions of Azomethine Ylides with 1,3-Thiazole-5(4H)thiones. -Azomethine ylides, generated thermally from trans and cis aziridines (I), (VII), (VIII), and (X) give with thiazolethiones (II) in almost all cases mixtures of only two diastereomeric spirocyclic [2 + 3] cycloa