Page last updated: 2024-11-06

baccatin iii

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Baccatin III is a diterpene compound found in the needles and bark of the Pacific yew tree (Taxus brevifolia). It is a precursor to the anticancer drug paclitaxel (Taxol). Baccatin III is synthesized through a complex series of enzymatic reactions involving multiple biosynthetic pathways within the yew tree. The compound exhibits a range of biological activities, including potent antitumor properties. It is believed to exert its anticancer effects by inhibiting microtubule depolymerization, which disrupts cell division and leads to cell death. Due to its potent antitumor activity, baccatin III has garnered significant attention in cancer research. Studies have focused on its potential use in treating various types of cancers, including breast cancer, lung cancer, and ovarian cancer. Baccatin III is not typically administered directly as a drug but serves as a precursor to the clinically used drug paclitaxel. The extraction and purification of baccatin III from yew trees pose significant challenges due to the compound's low abundance and the limited availability of yew trees. Extensive research efforts have been devoted to developing efficient and sustainable methods for producing baccatin III, including chemical synthesis and biotechnological approaches. These efforts aim to enhance the availability of this valuable compound for anticancer drug development and research.'

FloraRankFlora DefinitionFamilyFamily Definition
TaxusgenusGenus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL).[MeSH]TaxaceaeA plant family of the order Pinales, class Pinopsida, division TRACHEOPHYTA.[MeSH]

Cross-References

ID SourceID
PubMed CID65366
CHEMBL ID288043
CHEBI ID32898
SCHEMBL ID3118475
MeSH IDM0199754

Synonyms (36)

Synonym
CHEBI:32898 ,
[2ar-(2aalpha,4beta,4abeta,6beta,9alpha,11alpha,12alpha,12aalpha,12balpha)]-6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-7,11-methano-5h-cyclodeca(3,4)benz(1,2-b)oxet-5-one
5beta,20-epoxy-1,7beta,13alpha-trihydroxy-9-oxotax-11-ene-2alpha,4alpha,10beta-triyl 4,10-diacetate 2-benzoate
27548-93-2
baccatin iii ,
nsc 330753
7,11-methano-5h-cyclodeca(3,4)benz(1,2-b)oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-, (2ar-(2aalpha,4beta,4abeta,6beta,9alpha,11alpha,12alpha,12aalpha,12balpha))-
baccatin iii, >=95% (hplc)
CHEMBL288043
baccatine iii
40k5pz0k67 ,
unii-40k5pz0k67
(2ar,4s,4as,6r,9s,11s,12s,12ar,12bs)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-7,11-methano-5h-cyclodeca[3,4]benz[1,2-b]oxet-5-one
4,10beta-bis(acetyloxy)-1,7beta,13alpha-trihydroxy-9-oxo-5beta,20-epoxytax-11-en-2alpha-yl benzoate (13-o-de[(2r,3s)-3-benzamido-2-hydroxy-3-phenylpropanoyl]paclitaxel
paclitaxel impurity n [ep impurity]
baccatin iii [who-dd]
7,11-methano-5h-cyclodeca(3,4)benz(1,2-b)oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-, (2ar,4s,4as,6r,9s,11s,12s,12ar,12bs)-
CCG-208344
SCHEMBL3118475
OVMSOCFBDVBLFW-VHLOTGQHSA-N
Q-100350
AKOS024462641
EX-A832
mfcd00153921
7,11-methano-5h-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-, (2ar,4s,4as,6r,9s,11s,12s,12ar,12bs)-
13-o-de[(2r,3s)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]paclitaxel (baccatin iii)
(2ar,4s,4as,6r,9s,11s,12s,12ar,12bs)-12-(benzoyloxy)-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-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
AS-35071
Q15410249
HY-N6985
CS-0013149
nitroniumhexafluoroantimonate
DTXSID301029474
[(1~{s},2~{s},3~{r},4~{s},7~{r},9~{s},10~{s},12~{r},15~{s})-4,12-diacetyloxy-10,14,16,16-tetramethyl-1,9,15-tris(oxidanyl)-11-oxidanylidene-6-oxatetracyclo[11.3.1.0^{3,10}.0^{4,7}]heptadec-13-en-2-yl] benzoate
R3Q ,
baccatin iii; o-de[(2r,3s)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]paclitaxel

Research Excerpts

Effects

ExcerptReferenceRelevance
"Baccatin III binding has been confirmed by displacement of [(3)H]Taxol and by direct HPLC measurements of its cosedimentation with microtubules, among other methods."( The interaction of baccatin III with the taxol binding site of microtubules determined by a homogeneous assay with fluorescent taxoid.
Andreu, JM; Barasoain, I, 2001
)
1.36

Pharmacokinetics

ExcerptReferenceRelevance
" The developed method was successfully applied to the pharmacokinetic study of the seven taxoids in rat plasma after oral administration of the crude extract of the twigs and leaves of Taxus yunnanensis."( Simultaneous determination of seven taxoids in rat plasma by UPLC-MS/MS and pharmacokinetic study after oral administration of Taxus yunnanensis extracts.
Bai, X; Gou, X; Hou, X; Huang, M; Jin, J; Li, D; Liu, B; Zhong, G, 2015
)
0.42

Bioavailability

ExcerptReferenceRelevance
" By formulating spontaneously dispersible concentrates, which comprise such compounds, it is now possible to produce thermodynamically stable, aqueous ultramicroemulsions which achieve outstanding bioavailability and bio-reactivity for the active principles comprised in these Marigenol-Concen-trates."( Marigenol-concentrates comprising Taxol and/or Taxan esters as active substances.
Eugster, C; Forni, G; Rivara, G; Vai, S, 1996
)
0.29

Dosage Studied

ExcerptRelevanceReference
" The assay achieved good resolution in the separation between the four compounds, and it can be used for quality control or purity determination for those in bulk and pharmceutical dosage forms."( Rapid separation of four main taxoids in Taxus species by a combined LLP-SPE-HPLC (PAD) procedure.
Fu, Y; Li, Q; Li, S; Schwarz, G; Sun, R; Zu, Y, 2006
)
0.33
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (1)

RoleDescription
plant metaboliteAny eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (3)

ClassDescription
tetracyclic diterpenoidA diterpenoid with a tetracyclic skeleton.
acetate esterAny carboxylic ester where the carboxylic acid component is acetic acid.
benzoate esterEsters of benzoic acid or substituted benzoic acids.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Pathways (1)

PathwayProteinsCompounds
taxol biosynthesis1019
taxol biosynthesis1224

Protein Targets (3)

Other Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Tubulin beta-2B chainBos taurus (cattle)ED5010.00000.51000.78331.1400AID213986
Similar to alpha-tubulin isoform 1 Bos taurus (cattle)ED5010.00000.51000.78331.1400AID213986
Similar to alpha-tubulin isoform 1 Bos taurus (cattle)ED5010.00000.51000.78331.1400AID213986
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (3)

Processvia Protein(s)Taxonomy
microtubule-based processTubulin beta-2B chainBos taurus (cattle)
nervous system developmentTubulin beta-2B chainBos taurus (cattle)
positive regulation of axon guidanceTubulin beta-2B chainBos taurus (cattle)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (3)

Processvia Protein(s)Taxonomy
GTPase activityTubulin beta-2B chainBos taurus (cattle)
metal ion bindingTubulin beta-2B chainBos taurus (cattle)
protein heterodimerization activityTubulin beta-2B chainBos taurus (cattle)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (1)

Processvia Protein(s)Taxonomy
microtubule cytoskeletonTubulin beta-2B chainBos taurus (cattle)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (28)

Assay IDTitleYearJournalArticle
AID37896Cytotoxicity against B16 melanoma cell line.40% inhibition at 1 uM1992Journal of medicinal chemistry, Oct-30, Volume: 35, Issue:22
Synthesis of biologically active taxol analogues with modified phenylisoserine side chains.
AID1191962Antiproliferative activity against human HCT8/VCT cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID1191956Antiproliferative activity against human SW480 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID306135Effect on calcein accumulation in multidrug-resistant human 2780AD cells at 25 ug/ml relative to control2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID306134Effect on calcein accumulation in multidrug-resistant human 2780AD cells at 2.5 ug/ml relative to control2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID101515Cytotoxic activity was evaluated against murine Leukemia L1210 cells1998Bioorganic & medicinal chemistry letters, Jun-16, Volume: 8, Issue:12
Modulation of multidrug resistance by taxuspine C and other taxoids from Japanese yew.
AID232573Ratio of ED50 of taxol to ED50 from cytotoxicity against B16 melanoma cell lines1992Journal of medicinal chemistry, Oct-30, Volume: 35, Issue:22
Synthesis of biologically active taxol analogues with modified phenylisoserine side chains.
AID306137Cytotoxicity againt human VA13 cells2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID1191955Antiproliferative activity against human A549 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID1191965Antiproliferative activity against mouse NIH/3T3 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID697852Inhibition of electric eel AChE at 2 mg/ml by Ellman's method2012Bioorganic & medicinal chemistry, Nov-15, Volume: 20, Issue:22
Exploration of natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation: the case of chelerythrine.
AID306136Cytotoxicity againt human WI38 cells2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID1503774Cytotoxicity against human HL cells assessed as cell viability at 50 uM after 72 hrs by resazurin dye based fluorescence assay relative to control2017Journal of natural products, 10-27, Volume: 80, Issue:10
Identification of Privileged Antichlamydial Natural Products by a Ligand-Based Strategy.
AID1191958Antiproliferative activity against human HepG2 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID88853Effect on cellular accumulation of Vincristine in multidrug resistant human ovarian cancer 2780AD cells was determined in the presence at a dose 10 ug/mL of taxoids1998Bioorganic & medicinal chemistry letters, Jun-16, Volume: 8, Issue:12
Modulation of multidrug resistance by taxuspine C and other taxoids from Japanese yew.
AID1191960Antiproliferative activity against human A2780/TAX cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID1191959Antiproliferative activity against human A2780 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID306133Effect on calcein accumulation in multidrug-resistant human 2780AD cells at 0.25 ug/ml relative to control2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID88854Effect on cellular accumulation of Vincristine (VCR) in multidrug resistant human ovarian cancer 2780AD cells at 1 ug/mL1998Bioorganic & medicinal chemistry letters, Jun-16, Volume: 8, Issue:12
Modulation of multidrug resistance by taxuspine C and other taxoids from Japanese yew.
AID1191963Antiproliferative activity against human A549/CDDP cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID70058Cytotoxic activity was evaluated against Epidermoid Carcinoma KB cells1998Bioorganic & medicinal chemistry letters, Jun-16, Volume: 8, Issue:12
Modulation of multidrug resistance by taxuspine C and other taxoids from Japanese yew.
AID1191957Antiproliferative activity against human MCF7 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID213986Concentration to stimulate the assembly of tubulin into microtubules at a dose of 10 M1992Journal of medicinal chemistry, Oct-30, Volume: 35, Issue:22
Synthesis of biologically active taxol analogues with modified phenylisoserine side chains.
AID697853Inhibition of horse BChE at 2 mg/ml by Ellman's method2012Bioorganic & medicinal chemistry, Nov-15, Volume: 20, Issue:22
Exploration of natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation: the case of chelerythrine.
AID306138Cytotoxicity againt human HepG2 cells2007Bioorganic & medicinal chemistry letters, Feb-15, Volume: 17, Issue:4
Structure-activity relationships of some taxoids as multidrug resistance modulator.
AID1191964Antiproliferative activity against human MCF7/DX cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
AID232574Ratio of ED50 of taxol to ED50 from tubulin binding assay1992Journal of medicinal chemistry, Oct-30, Volume: 35, Issue:22
Synthesis of biologically active taxol analogues with modified phenylisoserine side chains.
AID1191961Antiproliferative activity against human HCT8 cells assessed as growth inhibition after 48 hrs by sulforhodamine B assay2015Bioorganic & medicinal chemistry letters, Mar-15, Volume: 25, Issue:6
Isolation and cytotoxicity evaluation of taxanes from the barks of Taxus wallichiana var. mairei.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (95)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's24 (25.26)18.2507
2000's39 (41.05)29.6817
2010's27 (28.42)24.3611
2020's5 (5.26)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 43.43

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index43.43 (24.57)
Research Supply Index4.61 (2.92)
Research Growth Index4.54 (4.65)
Search Engine Demand Index62.21 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (43.43)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews0 (0.00%)6.00%
Case Studies1 (1.01%)4.05%
Observational0 (0.00%)0.25%
Other98 (98.99%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]