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  • Cyclization of hydrazones of 2-acetyl-1-naphthol and 1-acetyl-2-naphthol with triphosgene. Synthesis of Spiro naphthoxazine dimers.

Cyclization of hydrazones of 2-acetyl-1-naphthol and 1-acetyl-2-naphthol with triphosgene. Synthesis of Spiro naphthoxazine dimers.

Molecules (Basel, Switzerland) (2009-06-26)
Abdullah Saad Al-Bogami, Abdullah Mohammed Al-Majid, Mohammed Ali Al-Saad, Ahmed Amine Mousa, Sara Abdullah Al-Mazroa, Hamad Zaid Alkhathlan
PMID19553888
ABSTRACT

Cyclization of hydrazones derived from 2-acetyl-1-naphthol and 1-acetyl-2-naphthol with triphosgene gave naphtho[1,2-e]-1,3-oxazines, naphtho[2,1-e]-1,3-oxazines or their spiro dimers depending on the molar ratio of triphosgene used for the cyclization.