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Reaction of 2-acetyl-1-naphthol with aliphatic amines under microwave irradiation gave the corresponding imines (Schiff bases), which were treated with triphosgene to give 4-methylene-1,3-naphthoxazines in good yields.
The author is thankful to Hamad Z. Alkhathlan, professor of chemistry, King Saud University, Udaipur, for valuable suggestions and guidance.
a Yields refer to isolated products.
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