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Molecules 2009, 14(6), 2147-2159; doi:10.3390/molecules14062147
Article

Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers

1, 1, 1, 1, 2 and 1,*
Received: 25 April 2009; in revised form: 15 May 2009 / Accepted: 5 June 2009 / Published: 12 June 2009
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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.
Keywords: 2-acetyl-1-naphthol; 1-acetyl-2-naphthol; triphosgene; naphthoxazine; spiro naphthoxazine 2-acetyl-1-naphthol; 1-acetyl-2-naphthol; triphosgene; naphthoxazine; spiro naphthoxazine
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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.

AMA Style

Al-Bogami AS, Al-Majid AM, Al-Saad MA, Mousa AA, Al-Mazroa SA, Alkhathlan HZ. Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers. Molecules. 2009; 14(6):2147-2159.

Chicago/Turabian Style

Al-Bogami, Abdullah Saad; Al-Majid, Abdullah Mohammed; Al-Saad, Mohammed Ali; Mousa, Ahmed Amine; Al-Mazroa, Sara Abdullah; Alkhathlan, Hamad Zaid. 2009. "Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers." Molecules 14, no. 6: 2147-2159.



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