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(Z)-1-alkylidene- and 1-arylmethylidene-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ides and their cycloaddition toN-arylmaleimides

✍ Scribed by Yu. B. Koptelov, M. V. Sednev, R. R. Kostikov

Book ID
111950199
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
286 KB
Volume
48
Category
Article
ISSN
1070-4280

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πŸ“œ SIMILAR VOLUMES

Regioselective 1,3-Dipolar Cycloaddition
Regioselective 1,3-Dipolar Cycloadditions of (1Z)-1-(Arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide Azomethine Imines to Acetylenic Dipolarophiles
✍ Cvetka Turk; Jurij Svete; Branko Stanovnik; Ljubo Golič; Simona Golič-Grdadolnik πŸ“‚ Article πŸ“… 2001 πŸ› John Wiley and Sons 🌐 German βš– 137 KB πŸ‘ 1 views

The 5,5-dimethylpyrazolidin-3-one (4), prepared from ethyl 3-methylbut-2-enoate (3) and hydrazine hydrate, was treated with various substituted benzaldehydes 5a Β± i to give the corresponding (1Z)-1-(arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide azomethine imines 6a Β± i. The 1,3-dipolar

ChemInform Abstract: Regioselective 1,3-
ChemInform Abstract: Regioselective 1,3-Dipolar Cycloadditions of (1Z)-1-(Arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide Azomethine Imines to Acetylenic Dipolarophiles.
✍ Cvetka Turk; Jurij Svete; Branko Stanovnik; Ljubo Golic; Simona Golic-Grdadolnik πŸ“‚ Article πŸ“… 2001 πŸ› John Wiley and Sons βš– 32 KB πŸ‘ 1 views

## 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 β€œFull Text” option. The original article is trackable v