New Efficient Synthesis of 5,6-Disubstituted-3-phenyl-1,2,3-triazolo[4,5- d ]pyrimidin-7-ones via a Tandem Aza-Wittig Reaction
β Scribed by Wang, Tao; Ke, Xi Xian; Zhou, Shui Tao; Chen, Hui Zong
- Book ID
- 120415511
- Publisher
- Taylor and Francis Group
- Year
- 2012
- Tongue
- English
- Weight
- 206 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0039-7911
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## Abstract magnified image The carbodiimides **2**, obtained from reactions of iminophosphorane **1** with isocyanates, reacted with hydrazine to give selectively 3βaminoβ2βarylaminobenzothieno[3,2β__d__]pyrimidinβ4(3__H__)βones **4**. Reactions of **4** with triphenylphosphine, hexachloroethane,
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