ChemicalBook--->CAS DataBase List--->398491-59-3

398491-59-3

398491-59-3 Structure

398491-59-3 Structure
IdentificationBack Directory
[Name]

5N-BOC-3-AMINO-4,6-DIHYDRO-1H-PYRROLO[3,4-C]PYROZOLE
[CAS]

398491-59-3
[Synonyms]

tert-butyl 3-aMinopyrrolo[3
5-Boc-3-amino-4,6-dihydro...
3-Amino-5-Boc-pyrrolo[3,4-c]pyrazole
5-BOC-3-AMINO-4,6-DIHYDRO-PYRROLO[3,4-C]PYROZOLE
5-Boc-3-Amino-4,6-dihydro-pyrrolo[3,4-C]pyrazole
5-Boc-3-amino-1,4,6-trihydropyrrolo[3,4-c]pyrazole
5-Boc-3-amino-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole
3-Amino-5-Boc-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole
5N-BOC-3-AMINO-4,6-DIHYDRO-1H-PYRROLO[3,4-C]PYROZOLE
tert-Butyl 3-amino-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)
tert-butyl 3-aminopyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate
tert-Butyl 3-amino-4,6-dihydropyrrolo[3,4-C]pyrozole-5-carboxylate
3-Amino-1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole, N5-BOC protected
tert-Butyl 3-amino-4,6-dihydropyrrolo[3,4-c]pyrazole-5-carboxylate
tert-butyl 3-aMino-1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carboxylate
3-Amino-1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole, N5-BOC protected 98%
tert-butyl 3-amino-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylate
TERT-BUTYL 3-AMINO-4,6-DIHYDROPYRROLO[3,4-C]PYRAZOLE-5(1H)-CARBOXYLATE
3-aMino-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl este
3-Amino-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester
Pyrrolo[3,4-c]pyrazole-5(1H)-carboxylic acid, 3-amino-4,6-dihydro-, 1,1-dimethylethyl ester
3-Amino-5-(tert-butoxycarbonyl)-1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole, tert-Butyl 3-amino-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate
[Molecular Formula]

C10H16N4O2
[MDL Number]

MFCD08275050
[MOL File]

398491-59-3.mol
[Molecular Weight]

224.26
Chemical PropertiesBack Directory
[Melting point ]

167-169 °C(Solv: isopropanol (67-63-0))
[Boiling point ]

433.0±45.0 °C(Predicted)
[density ]

1.314±0.06 g/cm3(Predicted)
[storage temp. ]

under inert gas (nitrogen or Argon) at 2–8 °C
[pka]

16.32±0.20(Predicted)
[Appearance]

Off-white to light brown Solid
[InChI]

InChI=1S/C10H16N4O2/c1-10(2,3)16-9(15)14-4-6-7(5-14)12-13-8(6)11/h4-5H2,1-3H3,(H3,11,12,13)
[InChIKey]

BEVRTOCHMXNPLY-UHFFFAOYSA-N
[SMILES]

N1=C(N)C2CN(C(OC(C)(C)C)=O)CC=2N1
[CAS DataBase Reference]

398491-59-3
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[HS Code ]

2933998090
Questions And AnswerBack Directory
[Application]

5N-BOC-3-AMINO-4,6-DIHYDRO-1H-PYRROLO[3,4-C]PYROZOLE can be used as an organic synthesis intermediate and a pharmaceutical intermediate, and is mainly used in laboratory organic synthesis and chemical and pharmaceutical synthesis processes.
Spectrum DetailBack Directory
[Spectrum Detail]

5N-BOC-3-AMINO-4,6-DIHYDRO-1H-PYRROLO[3,4-C]PYROZOLE(398491-59-3)1HNMR
Hazard InformationBack Directory
[Synthesis]

1-Boc-3-cyano-4-oxopyrrolidine

175463-32-8

5N-BOC-3-AMINO-4,6-DIHYDRO-1H-PYRROLO[3,4-C]PYROZOLE

398491-59-3

The general procedure for the synthesis of 3-amino-5-tert-butoxycarbonyl-pyrrolo[3,4-C]pyrazole from 1-Boc-3-cyano-4-pyrrolidinone was as follows: 1-Boc-3-cyano-4-pyrrolidinone (4.5 g, 43 mmol) was dissolved in anhydrous ethanol (250 ml), and the reaction was stirred for 3 h at 60 °C. After completion of the reaction, the solvent was removed by distillation under reduced pressure. Saturated sodium bicarbonate solution (50 ml) was added to the residue until the solid was completely dissolved. Subsequently, the extracted organic phase was removed by evaporation under reduced pressure to give the white solid product 1b (6.3 g, 66% yield). The product did not require further purification and could be used directly in the next step of the reaction.

[References]

[1] Patent: CN106279177, 2017, A. Location in patent: Paragraph 0103; 0104; 0105
[2] Journal of Medicinal Chemistry, 2005, vol. 48, # 8, p. 3080 - 3084
[3] Patent: WO2007/87231, 2007, A2. Location in patent: Page/Page column 37
[4] Bioorganic and Medicinal Chemistry Letters, 2010, vol. 20, # 14, p. 4273 - 4278
[5] Patent: CN104072498, 2016, B. Location in patent: Paragraph 0150
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