Molecules 2009, 14(6), 2147-2159; https://doi.org/10.3390/molecules14062147
Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers
1
Department of Chemistry, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
2
Chemistry Department, Girls College of Education, Riyadh Girls University, Riyadh, Saudi Arabia
*
Author to whom correspondence should be addressed.
Received: 25 April 2009 / Revised: 15 May 2009 / Accepted: 5 June 2009 / Published: 12 June 2009
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. View Full-Text
Figure 1
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Al-Bogami, A.S.; Al-Majid, A.M.; Al-Saad, M.A.; Mousa, A.A.; Al-Mazroa, S.A.; Alkhathlan, H.Z. Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers. Molecules 2009, 14, 2147-2159.
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