名称:
One-Pot Synthesis of (5-Aminopyrazol-4-yl)-phosphonicAcid Derivatives from 1-Aryl-5-arylcarboxamidopyrazoles throughPyrazolo[4,3-c][1,5,2]-oxazaphosphinines
摘要:
1 芳基-5-芳基脒并吡唑与卤化磷(III)反应生成新的杂环系统:吡唑并[4,3-c][1,5,2]恶唑膦。用亲核或亲电试剂处理吡唑并[4,3-c][1,5,2]恶唑膦,会导致恶唑膦环裂解,产生 (5-aminopyrazol-4-yl)phosphonic acid 衍生物。