ChemicalBook > CAS DataBase List > 1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI)

1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI)

Product Name: 1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI)
CAS No.: 155058-02-9
Chemical Name: 1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI)
Synonyms: 7,8-Dihydro-6H-1,6phthyridin-5-one;7,8-dihydro-1,6-naphthyridin-5(6H)-one;7,8-Dihydro-6H-[1,6]naphthyridin-5-one;1,6-Naphthyridin-5(6H)-one, 7,8-dihydro-;5,6,7,8-tetrahydro-1,6-naphthyridin-5-one;7,8-dihydro-1,6-naphthyridin-5(6H)-one CAS;1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI);N-methyl-1-(1-methylpiperidin-4-yl)-2-(pyrrolidin-1-yl)ethanamine
CBNumber: CB31293143
Molecular Formula: C8H8N2O
Formula Weight: 148.16
MOL File: 155058-02-9.mol

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1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI) Property

Melting point:: 163-166 °C(Solv: ethyl acetate (141-78-6))
Boiling point:: 413.9±34.0 °C(Predicted)
Density: 1.214±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
pka: 13.28±0.20(Predicted)
InChI: InChI=1S/C8H8N2O/c11-8-6-2-1-4-9-7(6)3-5-10-8/h1-2,4H,3,5H2,(H,10,11)
InChIKey: GYQAXMJLFPXZAU-UHFFFAOYSA-N
SMILES: N1C2=C(C(=O)NCC2)C=CC=1

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: D456155
Product name: 7,8-dihydro-1,6-naphthyridin-5(6H)-one
Packaging: 10mg
Price: $45
Updated: 2021/12/16

TRC

Product number: D456155
Product name: 7,8-dihydro-1,6-naphthyridin-5(6H)-one
Packaging: 100mg
Price: $240
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD165952
Product name: 7,8-Dihydro-1,6-naphthyridin-5(6H)-one
Packaging: 50mg
Price: $200
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD165952
Product name: 7,8-Dihydro-1,6-naphthyridin-5(6H)-one
Packaging: 25mg
Price: $125
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD165952
Product name: 7,8-Dihydro-1,6-naphthyridin-5(6H)-one
Packaging: 250mg
Price: $400
Updated: 2021/12/16

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1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI) Chemical Properties,Usage,Production

Synthesis

103441-72-1

155058-02-9

General procedure for the synthesis of 7,8-dihydro-1,6-naphthyridin-5(6H)-one from methyl 2-vinylnicotinate: methyl 2-vinylnicotinate (0.40 g, 2.47 mmol, 1 eq.) was dissolved in acetic acid/water (1:1, 4.6 mL) and ammonium chloride (1.78 g, 33.58 mmol, 14 eq.) was added. The reaction mixture was heated to reflux for 4 hours. Upon completion of the reaction, it was cooled to room temperature, filtered through a diatomaceous earth pad and washed sequentially with EtOAc and EtOAc/MeOH (9:1). The filtrates were combined and concentrated and the residue was purified by column chromatography using EtOAc/MeOH (95:5) as eluent. The target fractions were collected, concentrated and crystallized from EtOAc to afford 7,8-dihydro-1,6-naphthyridin-5(6H)-one (0.10 g, 25% yield) as a white solid. Melting point: 168-171 °C. 1H NMR (300 MHz, CDCl3) δ 8.61 (dd, J = 4.9/1.8 Hz, 1H), 8.29 (dd, J = 7.9/1.8 Hz, 1H), 7.30 (dd, J = 7.6/4.9 Hz, 1H), 7.04 (br s, NH), 3.65 (td, J = 6.7 /2.7 Hz, 2H), 3.18 (t, J = 6.7 Hz, 2H).13C NMR (75 MHz, CDCl3) δ 165.9, 158.8, 152.4, 135.8, 124.8, 122.7, 39.4, 31.0.MS (ESI) m/z 149 (M + H)+.IR (KBr) 2924, 1679, 1590, 1460. 1679, 1590, 1460, 1232, 1068 cm-1. elemental analysis (C8H8N2O) calculated: C, 64.85; H, 5.44; N, 18.91. measured: C, 65.10; H, 5.80; N, 18.72.

References

[1] European Journal of Medicinal Chemistry, 2012, vol. 55, p. 58 - 66,9

1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

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155058-02-9, 1,6-Naphthyridin-5(6H)-one,7,8-dihydro-(9CI)Related Search:

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