(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl benzoate

• ChemBase ID: 178816
• Molecular Formular: C37H52O11Si
• Molecular Mass: 700.88768
• Monoisotopic Mass: 700.32788902
• SMILES: C1(=C2C([C@@](C[C@@H]1O)([C@H]([C@H]1[C@](C(=O)[C@@H]2OC(=O)C)([C@H](C[C@@H]2[C@]1(CO2)OC(=O)C)O[Si](CC)(CC)CC)C)OC(=O)c1ccccc1)O)(C)C)C
• Canonical SMILES: CC[Si](O[C@H]1C[C@H]2OC[C@]2([C@@H]2[C@]1(C)C(=O)[C@H](OC(=O)C)C1=C(C)[C@H](C[C@@]([C@H]2OC(=O)c2ccccc2)(C1(C)C)O)O)OC(=O)C)(CC)CC
• InChI: InChI=1S/C37H52O11Si/c1-10-49(11-2,12-3)48-26-18-27-36(20-44-27,47-23(6)39)30-32(46-33(42)24-16-14-13-15-17-24)37(43)19-25(40)21(4)28(34(37,7)8)29(45-22(5)38)31(41)35(26,30)9/h13-17,25-27,29-30,32,40,43H,10-12,18-20H2,1-9H3/t25-,26-,27+,29+,30-,32-,35+,36-,37+/m0/s1
• InChIKey: WHXLTBRGUWTBQP-UZBMNOCMSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0^3,^1^0.0^4,^7]heptadec-13-en-2-yl benzoate
• IUPAC Traditional name: (1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0^3,^1^0.0^4,^7]heptadec-13-en-2-yl benzoate
• Synonyms: 7-O-(Triethylsilyl)baccatin III; [2aR-(2aα,4β,4aβ,6β,9α,11α,12α,12aα,12bα)]-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4a,8,13,13-tetramethyl-4-[(triethylsilyl)oxy]-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one; 7-O-(Triethylsilyl) Baccatin III

Database IDs

• CAS Number: 115437-21-3
• PubChem SID: 164234726
• PubChem CID: 9939927

CALCULATED PROPERTIES

• Acid pKa: 10.489937
• H Acceptors: 8
• H Donor: 2
• LogD (pH = 5.5): 3.9732955
• LogD (pH = 7.4): 3.9729474
• Log P: 3.9733
• Molar Refractivity: 175.6369 cm^3
• Polarizability: 72.256516 Å^3
• Polar Surface Area: 154.89 Å^2
• Rotatable Bonds: 12
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Solubility: Chloroform; Ethyl Acetate
• Apperance: Off- White Solid
• Melting Point: 233-235°C

Safety Information

• Storage Condition: -20°C Freezer

DETAILS

Toronto Research Chemicals - T777925

A precursor to Paclitaxel.