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278788-66-2

278788-66-2 Structure

278788-66-2 Structure
IdentificationMore
[Name]

(R)-3-HYDROXYMETHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
[CAS]

278788-66-2
[Synonyms]

(R)-3-HYDROXYMETHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
(R)-4-N-BOC-2-HYDROXYMETHYL-PIPERAZINE
(R)-1-Boc-3-hydroxymethyl-piperazine
(R)-tert-Butyl 3-(hydroxymethyl)piperazine-1-carboxylate
[Molecular Formula]

C10H20N2O3
[MDL Number]

MFCD05863888
[Molecular Weight]

216.28
[MOL File]

278788-66-2.mol
Chemical PropertiesBack Directory
[Melting point ]

68-70°C
[Boiling point ]

322.9±22.0 °C(Predicted)
[density ]

1.085±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

14.97±0.10(Predicted)
[color ]

White to Off-White
[Optical Rotation]

Consistent with structure
[InChI]

InChI=1S/C10H20N2O3/c1-10(2,3)15-9(14)12-5-4-11-8(6-12)7-13/h8,11,13H,4-7H2,1-3H3/t8-/m1/s1
[InChIKey]

NSILYQWHARROMG-MRVPVSSYSA-N
[SMILES]

N1(C(OC(C)(C)C)=O)CCN[C@@H](CO)C1
[CAS DataBase Reference]

278788-66-2(CAS DataBase Reference)
Safety DataBack Directory
[Symbol(GHS) ]

Skull and Crossbones (GHS06)
GHS06
[Signal word ]

Danger
[Hazard statements ]

H301+H311+H331-H315-H319
[Precautionary statements ]

P501-P261-P270-P271-P264-P280-P337+P313-P305+P351+P338-P361+P364-P332+P313-P301+P310+P330-P302+P352+P312-P304+P340+P311-P403+P233-P405
[Hazard Codes ]

Xi
[Risk Statements ]

41-52
[Safety Statements ]

26-39
[RIDADR ]

UN3259
[HazardClass ]

8
[HS Code ]

2933599590
[Storage Class]

11 - Combustible Solids
Hazard InformationBack Directory
[Uses]

(R)-1-Boc-3-hydroxymethylpiperazine is a used as a building block for the preparation of PI3K inhibitors for rheumatoid arthritis treatment,benzoxaborole derivatives as antimalarial agents and anti-tuberculosis agents.
[Synthesis]

1,4-bis-Boc-2-hydroxymethylpiperazine (13.9 kg) and 95% ethanol (30 kg) were added to the reactor, followed by the addition of an aqueous solution (water 21 kg) of configured sodium hydroxide (3.5 kg). The reaction mixture was then heated to reflux. Once the reaction was completed, ethanol was concentrated under reduced pressure. Subsequently, 30 kg of dichloromethane was added and the mixture was separated into liquid and aqueous phases. The aqueous phase was extracted three times with 3 × 20 kg of dichloromethane, and the organic phases were combined. The resulting solution was washed once with 40 kg of a 15% aqueous sodium chloride solution and dried with anhydrous sodium sulfate. Further purification was carried out to obtain (R)-1-BOC-3-(Hydroxymethyl)piperazine.
(R)-1-BOC-3-(Hydroxymethyl)piperazine
[References]

[1] Patent: EP1140904, 2005, B1. Location in patent: Page/Page column 35
Spectrum DetailBack Directory
[Spectrum Detail]

(R)-3-HYDROXYMETHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER(278788-66-2)1HNMR
(R)-3-HYDROXYMETHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER(278788-66-2)FT-IR
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