Synthesis of apatite structure based BiNaCa₃(PO₄)₃OH and its application for condensation reaction

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• 作者：S. Sumathi ; G. Buvaneswari ; ^{gopalbhu@yahoo.com}
• 关键词：A. Powders ; Chemical preparation ; C. Chemical properties ; D. Apatite ; Powder X-ray diffraction
• 刊名：Ceramics International
• 出版年：2012
• 期刊代码：13_02728842
• 类别：ms
• 出版时间：July, 2012
• 卷：38
• 期：5
• 页码：3547-3552
• 文件大小：475 K

摘要

Mono, di and trivalent ions containing hydroxyapatite of the formula BiNaCa₃(PO₄)₃OH has been synthesized and the compound's catalytic activity in three component Biginelli condensation was studied. The compound was characterized by powder XRD, FT-IR, SEM and TGA/DTA techniques. The unit cell dimensions of the compound were determined to be a = 9.412(2) 脜, C = 6.92(2) 脜 and the unit cell volume is 530.9 脜³. The substituted hydroxyapatite phase showed enhanced reactivity in the one pot synthesis of 3,4-dihydropyrimidin-2(1H)-one by Biginelli reaction and resulted in an increased yield of the product.