Eribulin mesylate intermediate

(S)-3-((2R,3R,4R,5S)-5-allyl-3-hydroxy-4-((phenylsulfonyl)methyl)tetrahydrofuran-2-yl)propane-1,2-diyl dibenzoate Ai Ribrin Intermediate C D-xylo-D-allo-Dodeconic acid, 3,7:6,10-dianhydro-8,9-O-cyclohexylidene-2,4,5-trideoxy-, methyl ester 3,6-Anhydro-2,4,7-trideoxy-8,9-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-methyl-4-[(phenylsulfonyl)methyl]-D-glycero-D-gulo-nonose (3aR,5R,6S,6aR)-5-allyl-6-methoxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole 2-((2S,3S,4R,5R)-5-((S)-2,3-bis(tert-butyldimethylsilyloxy)propyl)-4-methoxy-3-(tosylmethyl)tetrahydrofuran-2-yl)acetaldehyde (2-Furanpropanol, 5-[2-[(2S,4R,6R)-6-[[(2S,3S,4R,5R)-5-[(2S)-2,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]propyl]tetrahydro-4-methoxy-3-[(phenylsulfonyl) methyl]-2-furanyl]methyl]tetrahydro-4-methyl-5-methylene-2H-pyran-2-yl]ethyl] (3aR,5R,6S,6aR)-5-(2-hydroxy-3-(trimethylsilyl)propyl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-ol Eribulin Mesylate 871360-14-4 (5R)-5-hydroxy-7-((5S)-5-(3-hydroxypropyl)-3-methylenetetrahydrofuran-2-yl)-3-methylhept-1-en-2-yl trifluoromethanesulfonate Eribulin Eribulin Fragment B Intermediate (S)-3-((2R,3R,4R,5S)-5-allyl-3-hydroxy-4-((phenylsulfonyl)methyl)tetrahydrofuran-2-yl)propane-1,2-diol Propanoic acid, 2,2-dimethyl-, 3-[(2S,5S)-tetrahydro-4-methylene-5-[(3R,5R)-5-methyl-3-[(methylsulfonyl)oxy]-6-[[(trifluoromethyl)sulfonyl]oxy]-6-hepten-1-yl]-2-furanyl]propyl ester (S)-3-((2R,3R,4S,5S)-5-allyl-4-hydroxy-3-methoxytetrahydrofuran-2-yl)propane-1,2-diyl dibenzoate