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571188-82-4

571188-82-4 Structure

571188-82-4 Structure
IdentificationBack Directory
[Name]

4-[6-(6-BROMO-8-CYCLOPENTYL-5-METHYL-7-OXO-7,8-DIHYDRO-PYRIDO[2,3-D]PYRIMIDIN-2-YLAMINO)-PYRIDIN-3-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
[CAS]

571188-82-4
[Synonyms]

Palbociclib-016
Palbociclib Impurity 72
Palbociclib Intermediate 4
tert-Butyl 4-(6-((6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)
tert-butyl 4-[6-({6-bromo-8-cyclopentyl-5-methyl-7-oxo-7H,8H-pyrido[2,3-d]pyrimidin-2-yl}amino)pyrid
6-Bromo-8-cyclopentyl-2-[[5-(4-Boc-1-piperazinyl)-2-pyridyl]amino]-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one
ter-butyl-4-[6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl]piperazine-1-carboxylate
tert-butyl 4-[6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl]piperazine-1-carboxylate
tert-butyl 4-[6-({6-bromo-8-cyclopentyl-5-methyl-7-oxo-7H,8H-pyrido[2,3-d]pyrimidin-2-yl}amino)pyridin-3-yl]piperazine-1-carboxylate
tert-butyl 4-{6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl}piperazine-1-carboxylat
tert-butyl 4-(6-((6-broMo-8-cyclopentyl-5-Methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyriMidin-2-yl)aMino)pyridin-3-yl)piperazine-1-carboxylate
4-[6-(6-BROMO-8-CYCLOPENTYL-5-METHYL-7-OXO-7,8-DIHYDRO-PYRIDO[2,3-D]PYRIMIDIN-2-YLAMINO)-PYRIDIN-3-YL]-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
4-[6-[(6-Bromo-8-cyclopentyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester
1-Piperazinecarboxylic acid, 4-[6-[(6-broMo-8-cyclopentyl-7,8-dihydro-5-Methyl-7-oxopyrido[2,3-d]pyriMidin-2-yl)aMino]-3-pyridinyl]-, 1,1-diMethylethyl ester
4- [6- (6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydro-pyrido [2,3-d] pyrimidin -2- ylamino) - pyridine 3-yl] - piperazine-1- carboxylic acid tert-butyl ester
Palbociclib impurity 18/4-[6-[(6-Bromo-8-cyclopentyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester
[EINECS(EC#)]

1592732-453-0
[Molecular Formula]

C27H34BrN7O3
[MDL Number]

MFCD09834002
[MOL File]

571188-82-4.mol
[Molecular Weight]

584.51
Chemical PropertiesBack Directory
[Melting point ]

>250℃
[Boiling point ]

720.0±70.0 °C(Predicted)
[density ]

1.439±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,2-8°C
[pka]

5.24±0.10(Predicted)
[Appearance]

Light yellow to yellow Solid
[InChIKey]

UTSOLZWQDXJQRH-UHFFFAOYSA-N
[SMILES]

N1(C(OC(C)(C)C)=O)CCN(C2=CC=C(NC3=NC=C4C(C)=C(Br)C(=O)N(C5CCCC5)C4=N3)N=C2)CC1
Questions And AnswerBack Directory
[Uses]

6-Desacetyl-6-bromo-N-Boc Palbociclib is an impurity of Palbociclib,(also known as compound number PD-0332991) is an experimental drug for the treatment of breast cancer being developed by Pfizer. It is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6. Also, it is derived from 6-Bromo-2-chloro-8-cyclopentyl-5-methylpyrido-[2,3-d]pyrimidin-7(8H)-one (B682195), which is used to prepare pyridino[2,3-d]pyrimidin-7(8H)-one derivatives as CDK4 and/or CDK6 inhibitors useful in the treatment of diseases.
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Hazard InformationBack Directory
[Description]

tert-Butyl 4-(6-(6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydro-pyrido(2,3-d) pyrimidin-2-ylamino)-pyridin-3-yl)-piperazine-1-carboxylate is an analytical standard reagent serving as a reference impurity for Palbociclib, utilised in the quality control and research of related pharmaceuticals.
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