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A new crystal form of nateglinide
1Chemistry and Physics Centralaboratory, Nanjing Normal University, Nanjing 210097, China. ligang-1959@263.net
Yao Xue Xue Bao = Acta Pharmaceutica Sinica
|February 15, 2003
Abstract
Aim:
To find a new crystal structure of S-form in nateglinide [N-(trans-4-isopropylcyclohexylcarbonyl)-D-phenylalanine]. The XRD, IR patterns and data were given and the melting point was determined.
Methods:
Phase analysis was performed by X-ray powder diffraction, IR and elemental analysis and the melting point was determined by differential scan calorimetry.
Results:
S-form nateglinide is different from H-form or B-form. The melting point is 172.04 degrees C.
Conclusion:
The S-form nateglinide is a new crystal form.