1. "On-Water" Synthesis of Quinazolinones and Dihydroquinazolinones Starting from o-Bromobenzonitrile.
- Author
-
Zibin Liu, Li-Yan Zeng, Chao Li, Fubiao Yang, Fensheng Qiu, Shuwen Liu, and Baomin Xi
- Subjects
QUINAZOLINONES ,QUINAZOLINE ,AMINOBENZOIC acid synthase ,IODINE ,X-ray diffraction - Abstract
A versatile and practical "on-water" protocol was newly developed to synthesize quinazolinones using o-bromobenzonitrile as a novel starting material. Studies have found that air as well as water plays an important role in synthesis of quinazolinones. Further investigation indicated that dihydroquinazolinones can be prepared with this protocol under the protection of N2. The protocol can be extended to other substrates and various quinazolinones and dihydroquinazolinones were obtained. o-Bromobenzamide, o-aminobenzonitrile, and o-aminobenzamide were also evaluated as starting materials, and the results further proved the versatility of this protocol, especially towards dihydroquinazolinones. [ABSTRACT FROM AUTHOR]
- Published
- 2018
- Full Text
- View/download PDF