| abstract |
Dimethoxy docetaxel or 4-acetoxy-2α-benzoyloxy-5β, 20-epoxy-1-hydroxy-7β, 10β-dimethoxy-9-oxotaxa-11-en-13α-yl (2R, 3S) -3- A novel crystalline form of tert-butoxycarbonylamino-2-hydroxy-3-phenylpropinate (Compound A), as well as a process for its preparation. SOLUTION: 7.3, 8.1, 9.8, 10.4, 11.1, 12.7, 13.1, 14.3, 15.4 and 15.9 ± 0.2 degrees 2θ Dimethoxy docetaxel or compound (A) anhydrides, solvates and ethanol heterosolvates and hydrates having a PXRD (powder X-ray analysis) diagram showing the located characteristic lines, and further methods for their preparation. [Selection figure] None |