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The Vilsmeier-Haack reaction with 3,4-disubstituted isoxazolin-5-ones. A new synthesis of 1,3-oxazin-6-ones and 1,3-oxazine-2,6-diones.

โœ Scribed by Egle M. Beccalli; Alessandro Marchesini; Henriette Molinari


Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
182 KB
Volume
27
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Vilsmeier-Haack type reaction on isoxazolin-5-ones is presented. Recently described is zin-6-ones. 2 The synthetic We report here on the the preparation of a number of E-amino-' and 2-phenyl-6H-1,3-oxapotential of such a class of compounds is well documented.3 syntheses by a Vilsmeier-Haack type reaction of 2-dimethylamino-


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Facile and convenient synthesis of 2,6-d
โœ Yasuo Morita; Masakazu Kaneko; Sumiko Matsuzawa; Yutaka Yamamoto ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 361 KB

## Abstract Facile and convenient methods for the preparation of a variety of 2,6โ€disubstituted 4__H__โ€1,3โ€oxazinโ€4โ€ones 3 by three complementary methods are described. Treatment of the branched aliphatic imidate 2c,d with diketene 1 in the presence of a catalytic amount of acetic acid affords 2โ€su