Saccharinates salts of the fluoroquinolone antibiotics norfloxacin, ciprofloxacin, ofloxacin, and enrofloxacin were obtained as pure crystalline anhydrous solids with sweet taste. The products were characterized by one- ((13) C) and two-dimensional (H-1-C-13) dimensions solid state Nuclear Magnetic Resonance and infrared spectroscopy showing ionic interactions between the saccharine amide and the fluoroquinolone piperazine. Several intermolecular bindings were also identified. Thermal behavior and powder X-ray diffraction provided complementary evidences of salt formation. The series of products showed improved properties with respect to water solubility. A solubility model was developed. These salts would be a good way forward to developing more suitable formulations of these APIs. (C) 2009 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 98:3788-3801, 2009
机构:
Univ Teknol MARA UiTM, Fac Pharm, Nanopharm Lab, Bandar Puncak Alam 42300, Selangor, Malaysia
Univ Teknol MARA UiTM, Pharmaceut & Life Sci Core, Shah Alam 40450, Selangor Darul, MalaysiaUniv Teknol MARA UiTM, Fac Pharm, Nanopharm Lab, Bandar Puncak Alam 42300, Selangor, Malaysia
Affandi, Meor Mohd Redzuan Meor Mohd
Tripathy, Minaketan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol MARA UiTM, Fac Pharm, Lab Fundamental Pharmaceut, Bandar Puncak Alam 42300, Selangor, Malaysia
Univ Teknol MARA UiTM, Pharmaceut & Life Sci Core, Shah Alam 40450, Selangor Darul, MalaysiaUniv Teknol MARA UiTM, Fac Pharm, Nanopharm Lab, Bandar Puncak Alam 42300, Selangor, Malaysia
Tripathy, Minaketan
Majeed, Abu Bakar Abdul
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol MARA UiTM, Pharmaceut & Life Sci Core, Shah Alam 40450, Selangor Darul, MalaysiaUniv Teknol MARA UiTM, Fac Pharm, Nanopharm Lab, Bandar Puncak Alam 42300, Selangor, Malaysia
机构:
Chinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R ChinaChinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R China
He, Hongyan
Huang, Ying
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R ChinaChinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R China
Huang, Ying
Zhang, Qi
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R ChinaChinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R China
Zhang, Qi
Wang, Jian-Rong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R ChinaChinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R China
Wang, Jian-Rong
Mei, Xuefeng
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R ChinaChinese Acad Sci, Shanghai Inst Mat Med, Pharmaceut Analyt & Solid State Chem Res Ctr, Shanghai 201203, Peoples R China