N-Benzyltropinone
- Product Name
- N-Benzyltropinone
- CAS No.
- 28957-72-4
- Chemical Name
- N-Benzyltropinone
- Synonyms
- 8-BENZYL-8-AZABICYCLO[3.2.1]OCTAN-3-ONE;N-benzyltropinone;N-BENZYLNORTROPINONE;N-Benzyltropinone,96%;N-Benzyl-3-nortropinone;8-Benzyl-3-nortropanone;8-BENZYLNORTROPAN-3-ONE;N-Benzylnortropinone >N-Benzyltropinone,96%(TLC);8-Benzyl-8-azabicyclo[3.2...
- CBNumber
- CB6242602
- Molecular Formula
- C14H17NO
- Formula Weight
- 215.29
- MOL File
- 28957-72-4.mol
N-Benzyltropinone Property
- Melting point:
- 28-29°C
- Boiling point:
- 134-137°C/0.4 mm
- Density
- 1.140±0.06 g/cm3(Predicted)
- refractive index
- 1.556
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform, Dichloromethane, Methanol
- form
- Solid
- pka
- 7.98±0.20(Predicted)
- color
- Off-White to Pale Yellow
- InChI
- InChI=1S/C14H17NO/c16-14-8-12-6-7-13(9-14)15(12)10-11-4-2-1-3-5-11/h1-5,12-13H,6-10H2
- InChIKey
- RSUHKGOVXMXCND-UHFFFAOYSA-N
- SMILES
- C12N(CC3=CC=CC=C3)C(CC1)CC(=O)C2
- CAS DataBase Reference
- 28957-72-4(CAS DataBase Reference)
Safety
- Hazard Codes
- C
- Risk Statements
- 34
- Safety Statements
- 23-26-36/37/39-45
- RIDADR
- UN1760
- HazardClass
- 8
- HS Code
- 29299090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory 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.
N-Bromosuccinimide Price
- Product number
- B4058
- Product name
- N-Benzylnortropinone
- Purity
- >95.0%(GC)(T)
- Packaging
- 1g
- Price
- $31
- Updated
- 2025/07/31
- Product number
- B4058
- Product name
- N-Benzylnortropinone
- Purity
- >95.0%(GC)(T)
- Packaging
- 5g
- Price
- $78
- Updated
- 2025/07/31
- Product number
- 003489
- Product name
- 3-Benzyl-3,8-diazabicyclo[3.2.1]octane
- Packaging
- 250mg
- Price
- $446
- Updated
- 2021/12/16
- Product number
- FB18303
- Product name
- N-Benzyl nortropinone
- Packaging
- 5G
- Price
- $75
- Updated
- 2021/12/16
- Product number
- W5159
- Product name
- 8-Benzyl-8-azabicyclo[3.2.1]octan-3-one
- Packaging
- 5g
- Price
- $91
- Updated
- 2021/12/16
N-Benzyltropinone Chemical Properties,Usage,Production
Chemical Properties
Off-White to Pale Yellow Low-Melting Solid
Uses
An intermediate for the preparation of β-Cocaine, opioid receptor antagonists, and CCR-5 receptor antagonists
Synthesis
542-05-2
100-46-9
28957-72-4
1. To a non-homogeneous solution of 2,5-dimethoxytetrahydrofuran (82.2 g, 0.622 mol) in water (170 mL) was slowly added concentrated hydrochloric acid (30 mL) under stirring conditions. 2. In another flask, benzylamine (100 g, 0.933 mol) was dissolved in water (350 mL), cooled to 0 °C (ice bath) and concentrated hydrochloric acid (92 mL) was added slowly. 3. The 2,5-dimethoxytetrahydrofuran solution was stirred for 20 minutes and diluted with water (250 mL), followed by the sequential addition of the benzylamine solution, an aqueous (400 mL) solution of 1,3-acetone dicarboxylic acid (100 g, 0.684 mol), and an aqueous (200 mL) solution of sodium hydrogensulphate (44 g, 0.31 mol). 4. the pH of the reaction mixture was adjusted from 1 to about 4.5 using a 40% NaOH solution. 5. The resulting cloudy light yellow solution was stirred overnight. 6. The solution was acidified from pH 7.5 to 3 with 50% hydrochloric acid, heated to 85°C and stirred for 2 hours. 7. After cooling to room temperature, the solution was alkalized to pH 12 with 40% NaOH solution and extracted with dichloromethane (3 x 500 mL). 8. The organic layers were combined, washed with brine, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure to give the title intermediate as a viscous brown oil (~95% purity based on HPLC analysis). 9. The structure of the product was confirmed by 1H-NMR (CDCl3) and mass spectrometry ([M+H]+ C14H17NO calculated value 216.14; measured value 216.0).
References
[1] Patent: US2006/135764, 2006, A1. Location in patent: Page/Page column 22-23
[2] Patent: US2006/100426, 2006, A1. Location in patent: Page/Page column 18
[3] Patent: US2006/199839, 2006, A1. Location in patent: Page/Page column 23
[4] Patent: US2007/167442, 2007, A1. Location in patent: Page/Page column 40
[5] Patent: US2007/219278, 2007, A1. Location in patent: Page/Page column 15
N-Benzyltropinone Preparation Products And Raw materials
Raw materials
Preparation Products
N-Benzyltropinone Suppliers
- Tel
- 03-36680489
- Fax
- 03-3668-0520
- Sales-JP@TCIchemicals.com
- Country
- Japan
- ProdList
- 28387
- Advantage
- 80
View Lastest Price from N-Benzyltropinone manufacturers
- Product
- N-Benzyltropinone 28957-72-4
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 20tons
- Release date
- 2023-10-08
- Product
- N-Benzyltropinone 28957-72-4
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 10000KGS
- Release date
- 2025-03-02
- Product
- N-Benzylnortropinone 28957-72-4
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 2 t
- Release date
- 2023-11-01