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2005
Isoxazole derivatives
R 0240
Studies on Cycloaddition Reactions of Vinylphosphonates with Nitrones. —
series of isomeric isoxazolidines (III), (IV), and (V) containing a phosphonyl group
18- 116 A
are synthesized by reaction of the nitrones (I) with vinylphosphonate (II). The product
ratios are determined by HPLC and the structure of the major product (IIIb) is confirmed by X-ray analysis. — (YE*, Y.; LI, L.-Y.; TIAN, L.; LIU, L.-Z.; Phosphorus,
Sulfur Silicon Relat. Elem. 179 (2004) 12, 2503-2508; State Key Lab. Elem.-Org.
Chem., Nankai Univ., Tianjin 300071, Peop. Rep. China; Eng.) — H. Haber
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