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

Molecules

Abdullah Saad Al-Bogami¹  Abdullah Mohammed Al-Majid¹  Mohammed Ali Al-Saad¹  Ahmed Amine Mousa¹  Sara Abdullah Al-Mazroa² 

[1] Department of Chemistry, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia;Chemistry Department, Girls College of Education, Riyadh Girls University, Riyadh, Saudi Arabia

关键词: 2-acetyl-1-naphthol;    1-acetyl-2-naphthol;    triphosgene;    naphthoxazine;    spiro naphthoxazine;   

DOI  :  10.3390/molecules14062147

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.