ChemicalBook > CAS DataBase List > 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine

9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine

Product Name
9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine
CAS No.
115662-09-4
Chemical Name
9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine
Synonyms
1,1,7,7-Tetramethyl-8-hydroxy-9-formyljulolidine;9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine;8-HYDROXY-1,1,7,7-TETRAMETHYLJULOLIDINE-9-CARBOXALDEHYDE;8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde>8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde,99%;8-HYDROXY-1,1,7,7-TETRAMETHYLJULOLIDINE-9-CARBOXALDEHYDE 99%;2,3,6,7-Tetrahydro-8-hydroxy-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizine-9-carboxaldehyde;8-Hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydro-pyrido[3,2,1-ij]quinoline-9-carbaldehyde;1H,5H-Benzo[ij]quinolizine-9-carboxaldehyde,2,3,6,7-tetrahydro-8-hydroxy-1,1,7,7-tetramethyl-;8-HYDROXY-4,4,10,10-TETRAMETHYL-1-AZATRICYCLO[7.3.1.0????]TRIDECA-5,7,9(13)-TRIENE-7-CARBALDEHYD
CBNumber
CB8177838
Molecular Formula
C17H23NO2
Formula Weight
273.37
MOL File
115662-09-4.mol
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9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine Property

Melting point:
74-77 °C
Boiling point:
416.39°C (rough estimate)
Density 
1.0101 (rough estimate)
refractive index 
1.5200 (estimate)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
solubility 
soluble in Methanol
form 
powder to crystal
pka
9.50±0.60(Predicted)
color 
White to Light yellow to Green
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Safety

Safety Statements 
24/25
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P284Wear respiratory protection.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical
Product number
H1315
Product name
8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde
Purity
>98.0%(GC)
Packaging
1g
Price
$69
Updated
2025/07/31
TRC
Product number
H954080
Product name
8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde
Packaging
50mg
Price
$90
Updated
2021/12/16
TRC
Product number
H954080
Product name
8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde
Packaging
100mg
Price
$130
Updated
2021/12/16
AK Scientific
Product number
J54341
Product name
8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde
Packaging
1g
Price
$55
Updated
2021/12/16
Chem-Impex
Product number
43225
Product name
8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde,≥98%(GC)
Purity
≥98%(GC)
Packaging
1G
Price
$65.86
Updated
2021/12/16
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9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine Chemical Properties,Usage,Production

Chemical Properties

Light Green Crystals

Synthesis

115704-83-1

68-12-2

115662-09-4

GENERAL METHODS: 8-Hydroxy-1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-8-ol and N,N-dimethylformamide were used as raw materials to synthesize 8-hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline-9-carbaldehyde. The procedure was as follows: to a magnetically stirred solution of N,N-dimethylformamide (2 mL, 23 mmol) of phosphorous trichloride (2.2 mL, 23 mmol) under argon protection, 1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-aldehyde (2 g, 11.6 mmol) was slowly added at 0°C and additional of N,N-dimethylformamide (2 mL). Subsequently, the reaction mixture was stirred at room temperature for 3 h and the progress of the reaction was monitored by thin layer chromatography (TLC). Upon completion of the reaction, the reaction mixture was neutralized with ammonium hydroxide solution and then the product was extracted with ethyl acetate. The organic phase was washed several times with water to remove impurities. Finally, the residue was purified by column chromatography (silica gel as stationary phase and 10% ethyl acetate/hexane as eluent) to afford the target product 8-hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline-9-carboxaldehyde in a yield of 1.8 g (80% yield).

References

[1] Molecular Crystals and Liquid Crystals, 2008, vol. 491, p. 152 - 163
[2] Tetrahedron Letters, 2018, vol. 59, # 29, p. 2788 - 2792

9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine Preparation Products And Raw materials

Raw materials

Calcium carbonate N,N-Dimethylformamide Methanesulfonic acid Phosphorus oxitrichloride Sodium hydroxide 1-Chloro-3-methyl-2-butene 3-Aminophenol

Preparation Products

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View Lastest Price from 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine manufacturers

Hefei Lbao Physical & Chemical Science Co.,Ltd
Product
9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine 115662-09-4
Price
US $0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
Customise
Release date
2025-10-22
Career Henan Chemical Co
Product
9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine 115662-09-4
Price
US $1.00/KG
Min. Order
1KG
Purity
85.0-99.8%
Supply Ability
200kgs
Release date
2020-01-16

115662-09-4, 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidineRelated Search:

Methacrolein 3-（trifluoromethyl) Cinnamaldehyde CHLOROPHOSPHONAZO III Julolidine 3,5-Bis(tert-butyl)benzaldehyde 8-HYDROXYJULOLIDINE 2,6-DIISOPROPYL-N,N-DIMETHYLANILINE 4-Diethylaminobenzaldehyde 3-Ethylamino-4-methylphenol 1-METHYL-1,2,3,4-TETRAHYDRO-QUINOLINE-6-CARBALDEHYDE 2,3,6,7-Tetrahydro-1H,5H-benzo[ij]quinolizine-9-carboxaldehyde 3-TERT-BUTYL-2-HYDROXYBENZALDEHYDE 3,5-Di-tert-butylsalicylaldehyde N,N,2,4,6-PENTAMETHYLANILINE 4,6-DI-TERT-BUTYL-2-METHYLPHENOL 6-METHYL-1,2,3,4-TETRAHYDROQUINOLINE 1,1,7,7-Tetramethyljulolidine-9-carboxaldehyde 7-Hydroxy-1,2,3,4-tetrahydroquinoline

  • 8-Hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydro-pyrido[3,2,1-ij]quinoline-9-carbaldehyde
  • 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine
  • 8-HYDROXY-1,1,7,7-TETRAMETHYL-2,3,6,7-TETRAHYDRO-1H,5H-PYRIDO[3,2,1-IJ]QUINOLINE-9-CARBOXALDEHYDE
  • 8-HYDROXY-1,1,7,7-TETRAMETHYLJULOLIDINE-9-CARBOXALDEHYDE
  • 8-HYDROXY-1,1,7,7-TETRAMETHYLJULOLIDINE-9-CARBOXALDEHYDE 99%
  • 8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde,99%
  • 1,1,7,7-Tetramethyl-8-hydroxy-9-formyljulolidine
  • 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine 2,3,6,7-Tetrahydro-8-hydroxy-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizine-9-carboxaldehyde
  • 1H,5H-Benzo[ij]quinolizine-9-carboxaldehyde,2,3,6,7-tetrahydro-8-hydroxy-1,1,7,7-tetramethyl-
  • 8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde&gt
  • 2,3,6,7-Tetrahydro-8-hydroxy-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizine-9-carboxaldehyde
  • 8-HYDROXY-4,4,10,10-TETRAMETHYL-1-AZATRICYCLO[7.3.1.0????]TRIDECA-5,7,9(13)-TRIENE-7-CARBALDEHYD
  • 115662-09-4
  • C17H23NO2
  • Quinoline&Isoquinoline