[ CAS No. 126216-45-3 ] {[proInfo.proName]}

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Quality Control of [ 126216-45-3 ]

COA NMR CNMR HPLC LC-MS

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SDS Specification

Alternatived Products of [ 126216-45-3 ]

Product Details of [ 126216-45-3 ]

CAS No. :	126216-45-3	MDL No. :	MFCD00961870
Formula :	C₁₀H₂₀N₂O₂	Boiling Point :	-
Linear Structure Formula :	-	InChI Key :	-
M.W :	200.28	Pubchem ID :	-
Synonyms :

Safety of [ 126216-45-3 ]

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Application In Synthesis of [ 126216-45-3 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

Downstream synthetic route of [ 126216-45-3 ]

[ 126216-45-3 ] Synthesis Path-Downstream 1~9

1
[ 126216-73-7 ]
[ 126216-45-3 ]

Yield	Reaction Conditions	Operation in experiment
85%	With sodium tetrahydroborate In tetrahydrofuran Ambient temperature;

Reference： [1]Katritzky, Alan R.; Fan, Wei-Qiang [Journal of Organic Chemistry, 1990, vol. 55, # 10, p. 3205 - 3209]

2
[ 870-46-2 ]
[ 126216-45-3 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: 97 percent / ethanol / 1) 10 min, 20 deg C, 2) 1-2h, RT 2: 85 percent / NaBH₄ / tetrahydrofuran / Ambient temperature

Reference： [1]Katritzky, Alan R.; Fan, Wei-Qiang [Journal of Organic Chemistry, 1990, vol. 55, # 10, p. 3205 - 3209]

3
[ 111-30-8 ]
[ 126216-45-3 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: 97 percent / ethanol / 1) 10 min, 20 deg C, 2) 1-2h, RT 2: 85 percent / NaBH₄ / tetrahydrofuran / Ambient temperature

Reference： [1]Katritzky, Alan R.; Fan, Wei-Qiang [Journal of Organic Chemistry, 1990, vol. 55, # 10, p. 3205 - 3209]

4
[ 126216-45-3 ]
[ 380829-06-1 ]

Yield	Reaction Conditions	Operation in experiment
	With potassium carbonate In methanol; dichloromethane	3.A A. A. Preparation of the Title Compound as Free Base To a 200 ml flask containing 75 ml of CH2Cl2 is added 4.0 g (20.0 mmol) of 1-(tert-butoxycarbonylamino)piperidine and 7.4 g (53.3 mmol) of K2CO3 and the mixture is cooled in an ice bath. To this cooled mixture is slowly added 2.30 g (13.3 mmol) of the above chloride compound prepared in 1A) dissolved in 30 ml of CH2Cl2. The resultant mixture is stirred at room temperature for 3 days. The K2CO3 is then removed via filtration and the filtrate is concentrated via rotovaping. The crude form is then purified on silica gel employing a SIMS/Biotage Flash chromatography system and a 3% solution of methanol in methylene chloride as the eluent to yield the intermediate 1-[[[1-[tert-butoxycarbonylamino]-4-piperidinyl]amino]acetyl]-2-cyano-(S)-pyrrolidine in free base form as a golden oil.

Reference： [1]Current Patent Assignee: NOVARTIS AG; Novartis (w/o Sandoz) - US6432969, 2002, B1

5
[ 111-24-0 ]
[ 870-46-2 ]
[ 126216-45-3 ]

Yield	Reaction Conditions	Operation in experiment
73%	Stage #1: t-butoxycarbonylhydrazine With n-butyllithium In tetrahydrofuran; hexane at -78 - -40℃; for 0.25h; Inert atmosphere; Stage #2: 1,5-dibromo-pentane In tetrahydrofuran; hexane at -40 - 20℃;

Reference： [1]Location in patent: experimental part Lebedev, Oleg; Bredihhin, Aleksei; Tšupova, Svetlana; Mäeorg, Uno [Tetrahedron, 2009, vol. 65, # 27, p. 5438 - 5442]

6
[ 313339-92-3 ]
[ 126216-45-3 ]
tert-butyl N-[(3R)-1-(6-chloro-5-cyanopyrazin-2-yl)piperidin-3-yl]carbamate [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
86%	With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1.5h;	23.A A: A mixture of of 3,5-dichloropyrazine-2-carbonitrile (1.5 g, 8.62 mmol), t-butyl N- piperidinylcarbamate (2.07 g, 10.4 mmol), and i-Pr2NEt (3 mL, 17.2 mmol) was dissolved in DMF (10 mL) and stirred for 1.5 h at rt. The reaction mixture was diluted with EtOAc (20 mL) and washed with H2O (2 x 30 mL) before being concentrated to a yellow oil. Flash chromatography (SiO2, 10→15% CH2Cl2/EtOAc) afforded tert-butyl (R)-(1-(6-chloro-5- cyanopyrazin-2-yl)piperidin-3-yl)carbamate (2.5 g, 86%) as a white solid. LCMS: C15H20ClN5O2 requires: 338, found: m/z = 339 [M+H]+.

Reference： [1]Current Patent Assignee: NURIX THERAPEUTICS INC - WO2021/113557, 2021, A1 Location in patent: Paragraph 00358

7
[ 126216-45-3 ]
tert-butyl N-[(3R)-1-{5-cyano-6-[(4-methanesulfonylphenyl)amino]pyrazin-2-yl}piperidin-3-yl]carbamate [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h / 20 °C 2: palladium diacetate; caesium carbonate; [2'-(diphenylphosphanyl)-[1,1'-binaphthalen]-2-yl]diphenylphosphane / 1,2-dichloro-ethane / 2.5 h / 110 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: NURIX THERAPEUTICS INC - WO2021/113557, 2021, A1

8
[ 126216-45-3 ]
tert-butyl N-[(3R)-1-{5-carbamoyl-6-[(4-methanesulfonylphenyl)amino]pyrazin-2-yl}piperidin-3-yl]carbamate [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 3 steps 1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h / 20 °C 2: palladium diacetate; caesium carbonate; [2'-(diphenylphosphanyl)-[1,1'-binaphthalen]-2-yl]diphenylphosphane / 1,2-dichloro-ethane / 2.5 h / 110 °C / Inert atmosphere 3: sodium hydroxide; dihydrogen peroxide / water; methanol / 0.5 h

Reference： [1]Current Patent Assignee: NURIX THERAPEUTICS INC - WO2021/113557, 2021, A1

9
[ 126216-45-3 ]
(R)-5-(3-aminopiperidin-1-yl)-3-((4-(methylsulfonyl)phenyl)amino)pyrazine-2-carboxamide [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 4 steps 1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h / 20 °C 2: palladium diacetate; caesium carbonate; [2'-(diphenylphosphanyl)-[1,1'-binaphthalen]-2-yl]diphenylphosphane / 1,2-dichloro-ethane / 2.5 h / 110 °C / Inert atmosphere 3: sodium hydroxide; dihydrogen peroxide / water; methanol / 0.5 h 4: dichloromethane / 1 h / 20 °C

Reference： [1]Current Patent Assignee: NURIX THERAPEUTICS INC - WO2021/113557, 2021, A1

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[ CAS No. 126216-45-3 ] {[proInfo.proName]}

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[ 126216-45-3 ] Synthesis Path-Downstream 1~9

Precautionary Statements-General

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