10-Deacetylbaccatin

10-Deacetylbaccatin III
Names
	IUPAC name 1,7β,10β,13α-Tetrahydroxy-9-oxo-5β,20-epoxytax-11-ene-2α,4-diyl 2-benzoate 4-acetate
	Systematic IUPAC name (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-4,6,9,11-Tetrahydroxy-4a,8,13,13-tetramethyl-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]oxete-12,12b-diyl 12b-acetate 12-benzoate
	Other names 10-Deacetylbaccatin III; 10-Deacetylbaccatine III
Identifiers
CAS Number	32981-86-5 ;
3D model (JSmol)	Interactive image ;
ChEBI	CHEBI:18193 ;
ChEMBL	ChEMBL393912 ;
ChemSpider	135935 ;
ECHA InfoCard	100.128.614
PubChem CID	154272 ;
UNII	4K6EWW2Z45 ;
CompTox Dashboard (EPA)	DTXSID80865659 ;
	InChI InChI=1S/C29H36O10/c1-14-17(31)12-29(36)24(38-25(35)16-9-7-6-8-10-16)22-27(5,23(34)21(33)20(14)26(29,3)4)18(32)11-19-28(22,13-37-19)39-15(2)30/h6-10,17-19,21-22,24,31-33,36H,11-13H2,1-5H3/t17-,18-,19+,21+,22-,24-,27+,28-,29+/m0/s1 Key: YWLXLRUDGLRYDR-ZHPRIASZSA-N ;
	SMILES CC1=C2C(C(=O)C3(C(CC4C(C3C(C(C2(C)C)(CC1O)O)OC(=O)C5=CC=CC=C5)(CO4)OC(=O)C)O)C)O;
Properties
Chemical formula	C29H36O10
Molar mass	544.59 g/mol
Appearance	colorless solid
Melting point	234 °C (453 °F; 507 K)
Solubility in water	insoluble
Solubility	soluble in methanol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Last updated December 09, 2025

10-Deacetylbaccatins are a series of closely related natural organic compounds isolated from the yew tree (Genera Taxus ). 10-Deacetylbaccatin III is a precursor to the anti-cancer drug docetaxel (Taxotere).

10-deacetylbaccatin III 10-O-acetyltransferase converts 10-deacetylbaccatin to baccatin III:

acetyl-CoA + 10-deacetylbaccatin III ⇌ CoA + baccatin III

External links

CID 6712096 from PubChem - 7-Epi-10-Deacetylbaccatin III
CID 9872117 from PubChem - 10-Deacetylbaccatin V
CID 5316348 from PubChem - 10-Deacetylbaccatin VI
CID 5317065 from PubChem - 13-Epi-10-Deacetylbaccatin III
CID 15957452 from PubChem - 13-[3-(2-Naphthyl)prop-2-enoyl]-2-debenzoyl-2-(4-methoxybenzoxyl)-10-deacetylbaccatin III
CID 15957458 from PubChem - 10-N,N-Dimethylglycyl-13-[3-(2-Naphthyl)prop-2-enoyl]-10-deacetylbaccatin III

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Names


IUPAC name 1,7β,10β,13α-Tetrahydroxy-9-oxo-5β,20-epoxytax-11-ene-2α,4-diyl 2-benzoate 4-acetate
Systematic IUPAC name (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-4,6,9,11-Tetrahydroxy-4a,8,13,13-tetramethyl-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]oxete-12,12b-diyl 12b-acetate 12-benzoate
Other names 10-Deacetylbaccatin III 10-Deacetylbaccatine III
Identifiers
CAS Number	32981-86-5 ^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:18193 ^Y
ChEMBL	ChEMBL393912 ^Y
ChemSpider	135935 ^Y
ECHA InfoCard	100.128.614
PubChem CID	154272
UNII	4K6EWW2Z45 ^Y
CompTox Dashboard (EPA)	DTXSID80865659
InChI InChI=1S/C29H36O10/c1-14-17(31)12-29(36)24(38-25(35)16-9-7-6-8-10-16)22-27(5,23(34)21(33)20(14)26(29,3)4)18(32)11-19-28(22,13-37-19)39-15(2)30/h6-10,17-19,21-22,24,31-33,36H,11-13H2,1-5H3/t17-,18-,19+,21+,22-,24-,27+,28-,29+/m0/s1^Y Key: YWLXLRUDGLRYDR-ZHPRIASZSA-N^Y
SMILES CC1=C2C(C(=O)C3(C(CC4C(C3C(C(C2(C)C)(CC1O)O)OC(=O)C5=CC=CC=C5)(CO4)OC(=O)C)O)C)O
Properties
Chemical formula	C₂₉H₃₆O₁₀
Molar mass	544.59 g/mol
Appearance	colorless solid
Melting point	234 °C (453 °F; 507 K)
Solubility in water	insoluble
Solubility	soluble in methanol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references