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Diels-alder cycloadditions of N-substituted-1,2-dihydropyridines with 1,2,4-triazoline-3,5-diones and maleimides

โœ Scribed by E. E. Knaus; F. M. Pasutto; C. S. Giam; E. A. Swinyard

Book ID
112123747
Publisher
Journal of Heterocyclic Chemistry
Year
1976
Tongue
English
Weight
413 KB
Volume
13
Category
Article
ISSN
0022-152X

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๐Ÿ“œ SIMILAR VOLUMES

[4+2] Cycloaddition of 2(1H)-pyrazinones
[4+2] Cycloaddition of 2(1H)-pyrazinones and 1,2,4-triazoline-3,5-diones
โœ Takehiko Nishio ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 273 KB

## Abstract The reaction of 2(1__H__)โ€pyrazinones 1 and 1,2,4โ€triazolineโ€3,5โ€diones 3 was investigated by comparing that of 1 with singlet oxygen. 2(1__H__)โ€Pyrazinones 1 reacted in Dielsโ€Alder fashion with 1,2,4โ€triazolineโ€3,5โ€diones 3 to afford [4+2]โ€adducts 4โ€“17 in high yields.

Cycloaddition reactions of substituted v
Cycloaddition reactions of substituted vinylcyclopropanes with 4-phenyl-1,2,4-triazoline-3,5-dione and chlorosulfonylisocyanate
โœ Daniel J. Pasto; A. Fu-Tai Chen ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 195 KB

In a continuing study of cycloaddition reactions involving cyclopropane ring-containing systems (1) we have investigated the reactions of vinylcyclopropane and some substituted vinylcyclopropanes with 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD) and chlorosulfonylisocyanate (CSI).