7-O-(Triethylsilyl)-2’-O-tert-butyl(dimethyl)silyl 2-Debenzoyl Paclitaxel 2-Pentanoate

Chemical Name: (αR,βS)-β-(Benzoylamino)-α-tert-butyl(dimethyl)silyloxy-benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4-triethylsilyloxy-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-12-[(1-oxopentyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester; (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-9-(((2R,3R)-3-benzamido-2-((tert-butyldimethylsilyl)oxy)-3-phenylpropanoyl)oxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-12-(pentanoyloxy)-4-((triethylsilyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate

Smile: C[C@]1(C2=O)[C@@]([C@H](OC(CCCC)=O)[C@@](C3(C)C)(C[C@H](OC([C@H](O[Si](C(C)(C)C)(C)C)[C@H](C4=CC=CC=C4)NC(C5=CC=CC=C5)=O)=O)C(C)=C3[C@H]2OC(C)=O)O)([H])[C@@]6(OC(C)=O)[C@@H](C[C@@H]1O[Si](CC)(CC)CC)OC6