Reaction of 3,4-disubstituted isoxazolin-5-ones with dimethyl acetylenedicarboxylate affords 2,2′,3,3′-tetra-hydro[2,2′-bi-1,3-oxazine]-6,6′-diones. A reaction path is proposed.
Reaction of dimethyl acetylenedicarboxylate with 3,4-disubstituted isoxazolin-5-ones. A new synthesis of 1,3-oxazin-6-ones and 2,3-dihydro-1,3-oxazin-6-ones / E.M. Beccalli, A. Marchesini, M.L. Gelmi, T. Pilati. - In: JOURNAL OF ORGANIC CHEMISTRY. - ISSN 0022-3263. - 52:9(1987), pp. 1666-1669.
Reaction of dimethyl acetylenedicarboxylate with 3,4-disubstituted isoxazolin-5-ones. A new synthesis of 1,3-oxazin-6-ones and 2,3-dihydro-1,3-oxazin-6-ones
E.M. Beccalli;A. Marchesini;M.L. Gelmi;
1987
Abstract
Reaction of 3,4-disubstituted isoxazolin-5-ones with dimethyl acetylenedicarboxylate affords 2,2′,3,3′-tetra-hydro[2,2′-bi-1,3-oxazine]-6,6′-diones. A reaction path is proposed.
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