## 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
1,3-Thiazoline-5-thiolates and 1,3-Thiazole-5(2H)-thiones by [3+2]-Cycloaddition of Carbon Disulfide to Metalated 4-Alkylidene-4H-pyridin-1-ides
✍ Scribed by Diana Hampe; Helmar Görls; Ernst Anders
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 292 KB
- Volume
- 2005
- Category
- Article
- ISSN
- 1434-193X
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Treatment of solutions of 1,3-thiazole-5(4H)-thiones 1 in CH 2 Cl 2 at room temperature with BF 3 ´Et 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
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
A series of 4-(alkylidene/arylidene)amino-5-(2-furanyl)-2.4-dihydro-3H-I .2.4-triazolc-3-1hiones (2) and 6-aryl-3-(2-furanyl)-7H-12.4-triazolo[3,4-b]( 1.3.41 thiadiazines (3) werc synthesized. The configuration of 2g was assigned on che basis of 'H-NMR data. Of the new derivatives tesced. only 2b. 2