Quinazoline, Pyrazolo[1,5-c]quinazoline and Spiro Quinazoline Dimers from the Reaction of 2-Aminoacetophenone Hydrazones with Triphosgene.
✍ Scribed by H. Z. Alkhathlan; M. A. Al-Saad; H. M. Al-Hazimi; K. A. Al-Farhan; A. A. Mousa
- Book ID
- 101941181
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 22 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract magnified image An efficient, convenient, one‐pot synthesis of imidazo[1,2‐__c__]quinazoline‐5(6__H__)‐thione and imidazo[1,2‐__c__]quinazolin‐5(6__H__)‐one was accomplished in good yields via the novel reductive cyclization of 2‐(2‐nitrophenyl)‐1__H__‐imidazoles with isothiocyanates or
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