𝔖 Bobbio Scriptorium
✦   LIBER   ✦

ChemInform Abstract: (Z)-1-Alkylidene- and 1-Arylmethylidene-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ides and Their Cycloaddition to N-Arylmaleimides.

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

Book ID
118755476
Publisher
John Wiley and Sons
Year
2012
Weight
33 KB
Volume
43
Category
Article
ISSN
0931-7597

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

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

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