TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE
- Product Name
- TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE
- CAS No.
- 156866-52-3
- Chemical Name
- TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE
- Synonyms
- 4-[(Boc-amino)methyl]benzaldehyde;N-Boc-4-(Aminomethyl)benzaldehyde;tert-butyl 4-formylbenzylcarbamate;TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE;4-(N-TERTBUTOXYAMINOMETHYL)BENZALDEHYDE;4-(Aminomethyl)benzaldehyde, N-BOC protected;Tert-butylN-[(4-formylphenyl)methyl]carbamate;(4-formyl-benzyl)-carbamic acid t-butyl ester;(4-Formylbenzyl)carbamic acid tert-butyl ester;tert-Butyl (4-formylbenzyl)carbamate, 4-{[(tert-Bu
- CBNumber
- CB1450169
- Molecular Formula
- C13H17NO3
- Formula Weight
- 235.28
- MOL File
- 156866-52-3.mol
TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE Property
- Melting point:
- 83 °C
- Boiling point:
- 389.0±25.0 °C(Predicted)
- Density
- 1.108±0.06 g/cm3 (20 ºC 760 Torr)
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- form
- crystalline powder
- pka
- 11.92±0.46(Predicted)
- color
- Pale yellow
- CAS DataBase Reference
- 156866-52-3
Safety
- Hazard Codes
- Xn
- Risk Statements
- 22-36/37/38-51
- Safety Statements
- 22-26-36/37/39
- Hazard Note
- Harmful
- HS Code
- 2922390090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
N-Bromosuccinimide Price
- Product number
- B129565
- Product name
- tert-Butyl4-Formylbenzylcarbamate
- Packaging
- 50mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- FB139436
- Product name
- tert-Butyl 4-formylbenzylcarbamate
- Packaging
- 250mg
- Price
- $50
- Updated
- 2021/12/16
- Product number
- CHM0024642
- Product name
- 4-(AMINOMETHYL)BENZALDEHYDE, N-BOC PROTECTED
- Purity
- 95.00%
- Packaging
- 250MG
- Price
- $676.46
- Updated
- 2021/12/16
- Product number
- 074750
- Product name
- tert-Butyl N-(4-formylbenzyl)carbamate
- Purity
- 95+%
- Packaging
- 10g
- Price
- $711
- Updated
- 2021/12/16
- Product number
- CHM0024642
- Product name
- 4-(AMINOMETHYL)BENZALDEHYDE, N-BOC PROTECTED
- Purity
- 95.00%
- Packaging
- 1G
- Price
- $875.84
- Updated
- 2021/12/16
TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE Chemical Properties,Usage,Production
Synthesis
123986-64-1
156866-52-3
General procedure for the synthesis of tert-butyl 4-formylbenzylcarbamate from tert-butyl 4-(hydroxymethyl)benzylcarbamate: tert-butyl 4-(hydroxymethyl)benzylcarbamate (2.20 g, 9.2 mmol) was dissolved in dichloromethane (DCM, 100 ml), and manganese dioxide (MnO2, 8.18 g, 92 mmol, 10 equiv) was added. The resulting suspension was stirred at room temperature for 3 hours. After completion of the reaction, the reaction mixture was filtered through diatomaceous earth to remove insoluble impurities. The filtrate was concentrated under reduced pressure to afford tert-butyl 4-formylbenzylcarbamate as a white solid (2.18 g, 9.2 mmol, 100% yield). Thin layer chromatography (TLC) analysis showed Rf = 0.62 (Expander: DCM/ethyl acetate, 9:1). Infrared spectroscopy (IR) showed characteristic absorption peaks. Nuclear magnetic resonance hydrogen spectrum (1H NMR, 300 MHz, CDCl3) δ = 10.0 (s, 1H, CHO), 7.85 (d, J = 8.1 Hz, 2H, ArCH adjacent to CHO), 7.45 (d, J = 8.1 Hz, 2H, ArCH adjacent to CH2NHBoc), 4.99 (bs. 1H, NHBoc), 4.40 (d, J = 5.7 Hz, 2H, CH2NHBoc), 1.47 (s, 9H, C(CH3)3). Nuclear magnetic resonance carbon spectrum (13C NMR, 75 MHz, CDCl3) δ = 191.9 (CHO), 155.9 (CO), 145.9 (ArCCH2NHBoc), 135.5 (ArCCHO), 130.1 (ArCH adjacent to CHO), 127.6 (ArCH adjacent to CH2NHBoc), 85.1 (C(CH3)3), 44.3 (CH2NHBoc), 28.3 (C(CH3)3). High-resolution mass spectrometry (HRMS, ESI+) showed an m/z of 258.1101 (calculated value: C13H19NO3Na [M+Na]+, 258.1101; measured value: 258.1094). The NMR data are consistent with literature reports.
References
[1] Patent: WO2012/95628, 2012, A1. Location in patent: Page/Page column 18-19
[2] Patent: WO2006/117549, 2006, A1. Location in patent: Page/Page column 148
[3] Patent: WO2005/12280, 2005, A1. Location in patent: Page/Page column 53
[4] Patent: WO2006/12135, 2006, A1. Location in patent: Page/Page column 49-51
[5] Patent: US2006/293379, 2006, A1. Location in patent: Page/Page column 63
TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE manufacturers
- Product
- TERT-BUTYL N-(4-FORMYLBENZYL)CARBAMATE 156866-52-3
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 200kg
- Release date
- 2019-12-31