Concepedia

Publication | Closed Access

Synthesis of 3-Hydroxypyrimidine-2,4-diones. Addition of Anilines to Benzyloxy Isocyanate Synthons to Give<i>N</i>-Hydroxyureas

17

Citations

0

References

1994

Year

Abstract

A new method, the addition of N-benzyloxychloroformate to methyl anthranilate followed by base-catalyzed cyclization, has been employed to synthesize the N-hydroxyquinazolinedione 1 and heterocyclic derivatives. N-Benzyloxycarbonylimidazole is a useful synthon to prepare N-hydroxyureas.