ChemicalBook--->CAS DataBase List--->533-37-9

533-37-9

533-37-9 Structure

533-37-9 Structure
IdentificationMore
[Name]

Cyclopenta[b]pyridine
[CAS]

533-37-9
[Synonyms]

6,7-DIHYDRO-5H-CYCLOPANTA[B]PYRIDINE
5H-1-Pyrindene, 6,7-dihydro-
5H-1-Pyrindine,6,7-dihydro-
6,7-Dihydro-5H-[1]pyrindine
Pyrindan
2,3-CYCLOPENOPYRIDINE (CPPY)
2,3-CYCLOPENTAPYRIDINE
2,3-CYDOPENTENO PYRIDINE
2,3-Cyclopentenopyrid(2,3-Trimethylenepyridine)
2,3-CYCLOPENTENOPYRIDINE 99%
2,3-CYCLOPENTANO PYRIDINE 6,7-DIHYDRO-5H-[1]PYRINDINE
2,3-Cyclopentenoopyridine
2,3-Cyclopentenopyridine ,97%
[EINECS(EC#)]

208-564-1
[Molecular Formula]

C8H7N
[MDL Number]

MFCD00005933
[Molecular Weight]

117.15
[MOL File]

533-37-9.mol
Chemical PropertiesBack Directory
[Appearance]

CLEAR COLORLESS TO BROWNISH LIQUID
[Melting point ]

117 °C
[Boiling point ]

87-88 °C/11 mmHg (lit.)
[density ]

1.018 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.544(lit.)
[Fp ]

153 °F
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

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

clear liquid
[pka]

6.19±0.20(Predicted)
[color ]

Colorless to Red to Green
[Detection Methods]

GC
[InChI]

1S/C8H9N/c1-3-7-4-2-6-9-8(7)5-1/h2,4,6H,1,3,5H2
[InChIKey]

KRNSYSYRLQDHDK-UHFFFAOYSA-N
[SMILES]

C1Cc2cccnc2C1
[CAS DataBase Reference]

533-37-9(CAS DataBase Reference)
[NIST Chemistry Reference]

5H-1-Pyrindine, 6,7-dihydro-(533-37-9)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P264-P271-P280-P302+P352-P305+P351+P338
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[HS Code ]

29339900
[Storage Class]

10 - Combustible liquids
[Hazard Classifications]

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Ethyl acetate-->Cyclopentanone-->Propargylamine-->Sodium tetrachloroaurate
[Preparation Products]

5H-Cyclopenta[b]pyridine-->6,7-Dihydro-5H-cyclopenta[b]pyridin-5-ol
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

6,7-Dihydro-5H-cyclopenta(b)pyridine(533-37-9).msds
Hazard InformationBack Directory
[Chemical Properties]

CLEAR COLORLESS TO BROWNISH LIQUID
[Uses]

2,?3-?Cyclopentenopyridine is used as reactant/reagent for ruthenium-mediated dual catalytic reactions of isoquinoline via C-H activation and dearomatization for isoquinolone.
[General Description]

The structural properties of 2,3-cyclopentenopyridine using spectroscopic and computational techniques have been studied. 2,3-Cyclopentenopyridine is present in the side chain of cefpirome (HR 810), a new cephalosporin.
[Synthesis]

Synthesized by gas-phase reaction in a fixed-bed reactor at 300°C and atmospheric pressure from glycerol, cyclopentanone, and ammonia over a modified alumina catalyst (3%Cu/2%Ti/γ-Al₂O₃). Glycerol conversion is 70.3% with 81.6% selectivity to 2,3-cyclopen
Spectrum DetailBack Directory
[Spectrum Detail]

Cyclopenta[b]pyridine(533-37-9)MS
Cyclopenta[b]pyridine(533-37-9)1HNMR
Cyclopenta[b]pyridine(533-37-9)13CNMR
Cyclopenta[b]pyridine(533-37-9)IR1
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

2,3-Cyclopentenopyridine, 99%(533-37-9)
[Sigma Aldrich]

533-37-9(sigmaaldrich)
[TCI AMERICA]

6,7-Dihydro-5H-cyclopenta[b]pyridine,>98.0%(GC)(T)(533-37-9)
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