93680-07-0Relevant articles and documents
A NEW "ONE POT" PREPARATION OF 2-N,N-DIALKYLAMINO-1,3-BENZOXAZINES AND NAPHTHOXAZINES FROM CORRESPONDING ORTHO HYDROXYNITRILES AND PHOSGENIMINIUM SALTS
Kokel, Bruno,Menichi, Gabriel,Hubert-Habart, Michel
, p. 3837 - 3840 (2007/10/02)
Phosgeniminium salts 2 react easily with ortho hydroxybenzonitriles 1 and 2-hydroxy-1-naphthonitriles 6 to give 1,3-benzoxazine and naphthoxazine derivatives respectively with a very good yield.