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Reactions of 7-methoxyimino-4-methylchromene-2,8-dione with phosphines. Preparation of N-substituted 7-amino-8-hydroxy-4-methyl-2H-[1]-benzopyran-2-ones

โœ Scribed by Demetrios N. Nicolaides; Raed Wajih Awad; Konstantinos E. Litinas; Elizabeth Malamidou-Xenikaki

Book ID
107858001
Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
506 KB
Volume
52
Category
Article
ISSN
0040-4020

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๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: Reactions of 7-Meth
ChemInform Abstract: Reactions of 7-Methoxyimino-4-methylchromene-2,8-dione with Phosphines. Preparation of N-Substituted 7-Amino-8-hydroxy-4-methyl-2H-(1)- benzopyran-2-ones.
โœ D. N. NICOLAIDES; R. W. AWAD; K. E. LITINAS; E. MALAMIDOU-XENIKAKI ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 31 KB ๐Ÿ‘ 2 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 โ€œFull Textโ€ option. The original article is trackable v

Reactions of 7-(Methoxyimino)-4-methyl-2
Reactions of 7-(Methoxyimino)-4-methyl-2H-chromene-2,8(7H)-dione with Phosphorus Ylides. Synthesis of 2-Substituted 6-Methyl-8H-benzopyrano[7,8-d]oxazol-8-ones
โœ Bezergiannidou-Balouctsi, Catherine ;Litians, Konstantions E. ;Malamidou-Xenikak ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 317 KB

## Abstract 7โ€(Methoxyimino)โ€4โ€methylโ€2__H__โ€chromeneโ€2,8(7__H__)โ€dione (3) reacts with phosphonium salts 1aโ€“c, 8a, b under phasetransfer catalysis conditions to afford the title 2โ€substituted 6โ€methylbenzopyranooxazolโ€8โ€ones 5aโ€“c, 10a, b, respectively, along with compound 6, instead of the expecte