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Synthesis and Reactions of Vinylogous Amide Acetals and Vinylogous Amidines

โœ Scribed by Prof. Dr. H. Bredereck; Dr. F. Effenberger; Dipl.-Chem. D. Zeyfang

Publisher
John Wiley and Sons
Year
1965
Tongue
English
Weight
130 KB
Volume
4
Category
Article
ISSN
0044-8249

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๐Ÿ“œ SIMILAR VOLUMES

Synthesis of Biaryl Compounds by Vinylog
Synthesis of Biaryl Compounds by Vinylogous Michael Reactions
โœ Jens Christoffers; Alexander Mann ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 288 KB ๐Ÿ‘ 2 views

Acceptor-substituted cycloalkenones 1 undergo an iron(III)catalyzed vinylogous Michael reactiona sequence of enone-dienol tautomerism, [4+2]-cycloaddition, and retro-aldol reactionwith quinone derivatives 3. A variety of products is obtained ranging from meta-terphenyl precursors 5 to

Reactions of phosphoric anhydride with a
Reactions of phosphoric anhydride with acyclic amides. Synthesis of amidines and imides
โœ Eva A. Oberlander; John C. Tebby ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 140 KB ๐Ÿ‘ 2 views

Acyclic secondary amides such as benzanilides 1a-g, acetanilides 2a-d, and benzamide 1h undergo selfcondensation in the presence of phosphoric anhydride to produce, in one step, N-substituted aroyl benzamidines 3a-g, acyl acetamidines 4a-d, and imide 5, respectively. Mechanistic evidence is presente