A variety of 5-alkylidene-4-chloro-5H-I,2,3-dithiazoles (9-25) have been prepared from 4chloro-5H-l,2,3-dithiazolium chloride, active methylene compounds, and pyridine. The reactions with ethyl nitroacetate ((Z) > (E)), ethyl 3-nitrobenzoylacetate ((E) > (Z)), ethyl 2-fluorobenzoylacetate ((E) > (Z)
(E)-and (Z)-3-(4-chloro-5H-dithiazol-5-ylidene)-1,1,1-trifluoropentane-2,4-diones and their analogs: stereochemistry and their mechanisms of formation
β Scribed by Hyi-Seung Lee; Kyongtae Kim
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- French
- Weight
- 232 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0040-4039
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## 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 βFull Textβ option. The original article is trackable v
-vlidene derivatives 1-3 with primary and secovdary alkylarmnes in CH,CL at room temperature gave 2,5-dzhydro-2-iminopyrroles (22-55%) and 2, 5-dihydro-2-imino[urans (18-62%). However, similar treatment of alltyl (4-chloro-5H-1,2,3dithtazol-5-ylidene)cyanoacetates under the same conditions gave (Z)-
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.