Reaktion #94194

Reaktionsgleichung

1-phenyl-3-methyl-6-hydroxyaminouracil

ethyl orthoformate

→

captioned compound

5-Methyl-7-phenyl-5H,7H-isoxazolo[3,4-d]pyrimidine-4,6-dione

Lösungsmittel

dimethylformamide

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigeis reacted in the same manner as Example 11

Vorschrift

A mixture of 2 g of 1-phenyl-3-methyl-6-hydroxyaminouracil, 100 ml of dimethylformamide and 10 ml of ethyl orthoformate is reacted in the same manner as Example 11 to obtain 0.93 g of the captioned compound. melting point: 219°-221° C.

Quelle