GDC-0032

Modify Date: 2024-01-02 19:19:41

GDC-0032 Structure
GDC-0032 structure
Common Name GDC-0032
CAS Number 1282512-48-4 Molecular Weight 460.531
Density 1.4±0.1 g/cm3 Boiling Point 783.3±70.0 °C at 760 mmHg
Molecular Formula C24H28N8O2 Melting Point N/A
MSDS N/A Flash Point 427.5±35.7 °C

 Use of GDC-0032


Taselisib (GDC-0032) is a potent β-sparing small molecule inhibitor of PI3K, with Ki values of 0.29 nM, 0.91 nM, 0.97 nM for PI3Kα, PI3Kβ and PI3Kγ, respectively.

 Names

Name Taselisib
Synonym More Synonyms

 GDC-0032 Biological Activity

Description Taselisib (GDC-0032) is a potent β-sparing small molecule inhibitor of PI3K, with Ki values of 0.29 nM, 0.91 nM, 0.97 nM for PI3Kα, PI3Kβ and PI3Kγ, respectively.
Related Catalog
Target

PI3Kα:0.29 nM (Ki)

PI3Kβ:9.1 nM (Ki)

PI3Kδ:0.12 nM (Ki)

PI3Kγ:0.97 nM (Ki)

In Vitro Taselisib (GDC-0032) (100 nM) inhibits AKT/mTOR signaling in PIK3CA mutant cell lines but not in cells with loss or mutation of PTEN; Taselisib (GDC-0032) enhances radiation-induced apoptosis and inhibits growth in head and neck cancer cell lines that are sensitive to its single-agent activiy[1]. Taselisib (GDC-0032) enhances the effects of MEK1/2 inhibition on both BRAFV600E/PTENNull human melanoma cells autochthonous mouse melanomas[2].
In Vivo Taselisib (GDC-0032) (5 mg/kg, p.o.) potently impairs PI3K signaling and enhances the efficacy of fractionated radiotherapy; Taselisib (GDC-0032) and radiation is more effective than either treatment alone in nude mice implanted with subcutaneous Cal-33 xenografts[1]. The vehicle-treated BRAFV600E/PTENNull melanoma-bearing mice experiencs initial tumor regression after treatment with Taselisib (GDC-0032) (22.5 mg/kg, p.o.)[2].
Cell Assay Cells are seeded in replicates of 6 in 96-well plates with 500 to 5,000 cells/well overnight and then treated with Taselisib (GDC-0032). After 4 days, the media are removed and the cells are fixed with 4% glutaraldehyde for 30 minutes. Fixed cells are stained with 0.1% crystal violet for 2 minutes, then washed, and dissolved in 10% acetic acid.
Animal Admin Six-week-old Nu/Nu mice are injected bilaterally with 5×105 cells resuspended in 200 μL of culture media and Matrigel mixed in a 1:1 ratio. After tumors reache approximately 100 to 200 cm3, mice are randomized into treatment arms with 8 to 10 tumors per group. Taselisib (GDC-0032) (5 mg/kg) is dissolved in a vehicle containing 0.5% methylcellulose with 0.2% TWEEN-80 and is administered via daily oral gavage.
References

[1]. Zachary S. Zumsteg, et al. Taselisib (GDC-0032), a Potent β-Sparing Small Molecule Inhibitor of PI3K, Radiosensitizes Head and Neck Squamous Carcinomas Containing Activating PIK3CA Alterations. Clin Cancer Res. 2016 Apr 15; 22(8): 2009–2019.

[2]. Marian M. Deuker, et al. PI3′-Kinase Inhibition Forestalls the Onset of MEK1/2 Inhibitor Resistance in BRAF-Mutated Melanoma. Cancer Discov. 2015 Feb; 5(2): 143–153.

[3]. Ndubaku CO, et al. Discovery of 2-{3-[2-(1-isopropyl-3-methyl-1H-1,2-4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl]-1H-pyrazol-1-yl}-2-methylpropanamide (GDC-0032): a β-sparing phosphoinositide 3-kinase inhibitor with high unbound exposure and robust in vivo antitumor activity. J Med Chem. 2013 Jun 13;56(11):4597-610.

[4]. Cocco E, et al. Dual CCNE1/PIK3CA targeting is synergistic in CCNE1-amplified/PIK3CA-mutated uterine serous carcinomas in vitro and in vivo. Br J Cancer. 2016 Jul 26;115(3):303-11.

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 783.3±70.0 °C at 760 mmHg
Molecular Formula C24H28N8O2
Molecular Weight 460.531
Flash Point 427.5±35.7 °C
Exact Mass 460.233521
PSA 119.66000
LogP 0.69
Vapour Pressure 0.0±2.7 mmHg at 25°C
Index of Refraction 1.709
Storage condition -20℃

 Synthetic Route

~79%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Blaquiere, Nicole; Do, Steven; Dudley, Danette; Folkes, Adrian; Heald, Robert; Heffron, Timothy; Jones, Mark; Kolesnikov, Aleksandr; Ndubaku, Chudi; Olivero, Alan G.; Price, Stephen; Staben, Steven; Wang, Lan Patent: US2011/76292 A1, 2011 ; Location in patent: Page/Page column 199 ;

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Blaquiere, Nicole; Do, Steven; Dudley, Danette; Folkes, Adrian; Heald, Robert; Heffron, Timothy; Jones, Mark; Kolesnikov, Aleksandr; Ndubaku, Chudi; Olivero, Alan G.; Price, Stephen; Staben, Steven; Wang, Lan Patent: US2011/76292 A1, 2011 ;

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: Ndubaku, Chudi O.; Heffron, Timothy P.; Staben, Steven T.; Baumgardner, Matthew; Blaquiere, Nicole; Bradley, Erin; Bull, Richard; Do, Steven; Dotson, Jennafer; Dudley, Danette; Edgar, Kyle A.; Friedman, Lori S.; Goldsmith, Richard; Heald, Robert A.; Kolesnikov, Aleksandr; Lee, Leslie; Lewis, Cristina; Nannini, Michelle; Nonomiya, Jim; Pang, Jodie; Price, Steve; Prior, Wei Wei; Salphati, Laurent; Sideris, Steve; Wallin, Jeffery J.; Wang, Lan; Wei, Binqing; Sampath, Deepak; Olivero, Alan G. Journal of Medicinal Chemistry, 2013 , vol. 56, # 11 p. 4597 - 4610

~%

GDC-0032 Structure

GDC-0032

CAS#:1282512-48-4

Literature: F. HOFFMANN-LA ROCHE AG; GENENTECH, INC.; BELVIN, Marcia; FRIEDMAN, Lori; SAMPATH, Deepak; WALLIN, Jeffrey Patent: WO2013/182668 A1, 2013 ;

 Synonyms

2-{4-[2-(1-Isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl]-1H-pyrazol-1-yl}-2-methylpropanamide
GDC-0032
RG7604
1H-Pyrazole-1-acetamide, 4-[5,6-dihydro-2-[3-methyl-1-(1-methylethyl)-1H-1,2,4-triazol-5-yl]imidazo[1,2-d][1,4]benzoxazepin-9-yl]-α,α-dimethyl-
S7103,GDC0032,RG7604
UNII-L08J2O299M
2-{3-[2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f ]imidazo[1,2-d][1,4]oxazepin-9-yl]-1H-pyrazol-1-yl}-2-methylpropanamide
2-(4-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)-1H-pyrazol-1-yl)-2-methylpropanamide
2-(4-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)-1H-pyrazol-1-yl)-2-methylpropanoic acid
Taselisib
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