Docetaxel Impurity 18

Chemical Name: (2aR,4S,4aR,6R,9S,11S,12R,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-4,6,11-trihydroxy-4a-(hydroxymethyl)-8,13,13-trimethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Synonym: methyl (E)-1-(2-chloroacetyl)-3-(methoxy(phenyl)methylene)-2-oxoindoline-6-carboxylate

Smile: CC(C)(C)OC(N[C@@H](C1=CC=CC=C1)[C@@H](O)C(O[C@H]2C[C@]3(O)C(C)(C)C([C@H](C([C@]4(CO)[C@@H](O)C[C@@H](OC5)[C@]5(OC(C)=O)[C@@]4([H])[C@H]3OC(C6=CC=CC=C6)=O)=O)O)=C2C)=O)=O