A novel and efficient one-pot four-component tandem approach for the synthesis of pyran derivatives
β Scribed by Zhang, Zhanyi; Xu, Yijing; Zheng, Jia; Li, Bin; Li, Yiqun
- Book ID
- 118806176
- Publisher
- Springer
- Year
- 2012
- Tongue
- English
- Weight
- 275 KB
- Volume
- 16
- Category
- Article
- ISSN
- 1381-1991
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## Abstract A sequential oneβpot fourβcomponent reaction for the efficient synthesis of novel 2β²βaminospiro[11__H__βindeno[1,2β__b__]quinoxalineβ11,4β²β[4__H__]pyran] derivatives **5** in the presence of AcONH~4~ as a neutral, inexpensive, and dually activating catalyst is described (__Schemeβ 1__).