摘要:
A Sitagliptin phosphate characterized by data selected from the group consisting of: a powder XRD pattern with peaks at 4.7, 13.5, 17.7, 18.3, and 23.7±0.2 degrees two theta; a powder XRD pattern with peaks at about 4.7, 13.5, and 15.5±0.2 degrees two theta and at least another two peaks selected from the following list: 14.0, 14.4, 18.3, 19.2, 19.5 and 23.7±0.2 degrees two theta; and a powder XRD pattern with peaks at about 13.5, 19.2, and 19.5±0.2 degrees two theta and at least another two peaks selected from the following list: 4.7, 14.0, 15.1, 15.5, 18.3, and 18.7±0.2 degrees two theta; a powder XRD pattern with peaks at about 13.5, 15.5, 19.2, 23.7, and 24.4±0.2 degrees two theta; and a powder XRD pattern with peaks at about 4.65, 13.46, 17.63, 18.30, and 23.66±0.10 degrees two theta, processes for preparing said Sitagliptin crystalline form, and pharmaceutical compositions thereof, are provided.
摘要:
The present invention provides crystalline and amorphous salts of O-desmethylvenlafaxine and processes for preparing said salts of O-desmethylvenlafaxine. The present invention further provides pharmaceutical compositions comprising said salts of O-desmethylvenlafaxine.
摘要:
An amorphous form of Retapamulin, preferably in powder form, and processes for preparation thereof, are provided. Amorphous Retapamulin of the present invention can contain less than about 10 percent crystallinity, preferably less than about 5 percent crystallinity. Pharmaceutical compositions comprising amorphous Retapamulin are also provided.
摘要:
Chevrel phase materials are made by heating the source materials in an open furnace. In addition to the chalcogen and the molybdenum, a low melting point salt is introduced to the preparation mixture.
摘要:
The present invention provides 3-benzyloxy-2-aminopyridine (BOPA), 3-(2-Hydroxyethyl)-2-methyl-9-hydoxy-4H-pyrido[1,2-a]pyrimidine-4-one (HMBP), 3-(2-Chloroethyl)-2-methyl-9-hydoxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMHP) and 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one (CMHTP) useful as intermediates for the preparation of paliperidone. The present invention also provides processes for preparing these intermediates and for preparing paliperidone.
摘要:
A Sitagliptin crystalline form characterized by PXRD pattern having any 5 peaks selected from the group consisting of 7.4, 11.5, 16.7, 17.7, 18.9, 24.1, 24.5, 27.0, 28.5 and 28.8±0.2 degrees 2-theta, wherein any combination of peaks selected includes the peak at 7.4±0.2 degrees two theta, processes for preparing said Sitagliptin crystalline form, and pharmaceutical compositions thereof, are provided.
摘要:
The present invention provides processes of preparing 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one (CMHTP) useful as intermediates for the preparation of paliperidone, wherein the processes use 3-(2-chloroethyl)-2-methyl-9-benzyloxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMBP) and/or 3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMHP) having phosphorus at least partially removed as the intermediate.
摘要:
This invention generally relates to electrochemical cells utilizing magnesium anodes, new solutions and intercalation cathodes. The present invention is a new rechargeable magnesium battery based on magnesium metal as an anode material, a modified Chevrel phase as an intercalation cathode for magnesium ions and new electrolyte solution from which magnesium can be deposited reversibly, which have a very wide electrochemical window. The Chevrel phase compound is represented by the formula Mo6S8-YSeY in which y is higher than 0 and lower than 2 or by the formula MXMo6S8 in which M is selected from the group comprising of copper (Cu), nickel (Ni), silver (Ag) and/or any other transition metal; further wherein x is higher than 0 and lower than 2.
摘要翻译:本发明一般涉及利用镁阳极的电化学电池,新的溶液和嵌入阴极。 本发明是一种以镁金属为阳极材料的新型可再充电镁电池,作为镁离子插层阴极的改性雪佛兰相和可逆地沉积镁的新的电解质溶液,其具有非常宽的电化学窗口。 雪佛兰相化合物由式中Mo大于0且低于2的式Mo 6 S 8 -YSe Y表示,或者通过式M M M 6 S 8表示,其中M选自铜(Cu),镍(Ni),银( Ag)和/或任何其它过渡金属; 进一步其中x高于0且低于2。
摘要:
The present invention is related to processes for the preparation of paliperidone crystalline Form II. The invention also provides a paliperidone crystalline Form II containing isopropyl alcohol, and processes for preparing the same.