Iso Cephalomannine

CAS: 173101-54-7

Ref. TR-I789500

Product Information

• Name: Iso Cephalomannine
• Synonyms: 2-Debenzoyl-2-tigloylpaclitaxel, Isocephalomannine, Paclitaxel Imp A (EP),Benzenepropanoic acid, ß-(benzoylamino)-a-hydroxy-, (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (aR,ßS)-, Benzenepropanoic acid, ß-(benzoylamino)-a-hydroxy-, (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (aR,ßS)- (9CI), Benzenepropanoic acid, ß-(benzoylamino)-a-hydroxy-, 6,12b-bis(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[(2-methyl-1-oxo-2-butenyl)oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aa,4ß,4aß,6ß,9a(aR*,ßS*),11a,12a(E),12aa,12ba]]-, (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl (αR,βS)-β-(benzoylamino)-α-hydroxybenzenepropanoate, Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-, Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-, Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, 6,12b-bis(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-12-[(2-methyl-1-oxo-2-butenyl)oxy]-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aα,4β,4aβ,6β,9α(αR*,βS*),11α,12α(E),12aα,12bα]]-

Description

Impurity Paclitaxel impurity A; Paclitaxel - impurity A
Applications Iso Cephalomannine is a Cephalomannine (C258500) isomer as an impurity in Paclitaxel (P132500) active pharmaceutical ingredient. Paclitaxel impurity A. It binds to the N-terminal 31 amino acids of the beta-tubulin subunit in the microtubule, rather than to tubulin dimers. Paclitaxel - impurity A.
References Kerns, E., et al.: Drug Info J., 32, 471 (1998), Darrington, R., et al.: J. Pharm. Sci., 93, 838 (2004),

• Brand: TRC

Chemical properties

• Molecular weight: 831.90
• Formula: C₄₅H₅₃NO₁₄
• Color/Form: White
• InChI: InChI=1S/C45H53NO14/c1-9-23(2)40(53)59-38-36-43(8,30(49)20-31-44(36,22-56-31)60-26(5)48)37(51)35(57-25(4)47)32-24(3)29(21-45(38,55)42(32,6)7)58-41(54)34(50)33(27-16-12-10-13-17-27)46-39(52)28-18-14-11-15-19-28/h9-19,29-31,33-36,38,49-50,55H,20-22H2,1-8H3,(H,46,52)/b23-9+/t29-,30-,31+,33-,34+,35+,36-,38-,43+,44-,45+/m0/s1
• InChI key: InChIKey=YJXDCLDHHJRTGV-WBYYIXQISA-N
• SMILES: C/C=C(\C)C(=O)O[C@H]1[C@H]2[C@](C)(C(=O)[C@H](OC(C)=O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)c4ccccc4)c4ccccc4)C[C@]1(O)C3(C)C)[C@@H](O)C[C@H]1OC[C@]12OC(C)=O