ChemicalBook > CAS DataBase List > 3,4-DIMETHOXYBENZYL BROMIDE

3,4-DIMETHOXYBENZYL BROMIDE

Product Name
3,4-DIMETHOXYBENZYL BROMIDE
CAS No.
21852-32-4
Chemical Name
3,4-DIMETHOXYBENZYL BROMIDE
Synonyms
4-(BroMoMethyl)-1,2-diMethoxybenzene;Veratryl bromide;3,4-DIMETHOXYBENZYL BROMIDE;Toluene, α-bromo-3,4-dimethoxy-;Benzene, 4-(broMoMethyl)-1,2-diMethoxy-;3,4-DiMethoxybenzyl BroMide Discontinued due to stability
CBNumber
CB31010256
Molecular Formula
C9H11BrO2
Formula Weight
231.09
MOL File
21852-32-4.mol
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3,4-DIMETHOXYBENZYL BROMIDE Property

Melting point:
56-58℃
Boiling point:
273℃
Density 
1.384
Flash point:
116℃
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
solubility 
CDCl3;
form 
Solid
color 
Off-white
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Biosynth Carbosynth
Product number
FD22198
Product name
3,4-Dimethoxybenzyl bromide
Packaging
250mg
Price
$50
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD22198
Product name
3,4-Dimethoxybenzyl bromide
Packaging
500mg
Price
$80
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD22198
Product name
3,4-Dimethoxybenzyl bromide
Packaging
1g
Price
$125
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD22198
Product name
3,4-Dimethoxybenzyl bromide
Packaging
2g
Price
$200
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD22198
Product name
3,4-Dimethoxybenzyl bromide
Packaging
5G
Price
$300
Updated
2021/12/16
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3,4-DIMETHOXYBENZYL BROMIDE Chemical Properties,Usage,Production

Uses

Reagent used in the dimethoxybenzyl alkylations.

Uses

3,4-DIMETHOXYBENZYL BROMIDE used in the dimethoxybenzyl alkylations.

Preparation

3,4-Dimethoxybenzyl Bromide is synthesized from commercially available 3,4-dimethoxybenzyl alcohol and PBr3 or HBr.[2-3]

General Description

3,4-Dimethoxybenzyl Bromide (DMBBr) is used as a reagent for introduction of 3,4-dimethoxybenzyl protecting group, which can be cleaved selectively under conditions of benzylic oxidation.[1]

storage

3,4-Dimethoxybenzyl Bromide reactions are usually carried out in polar solvents such as THF or DMF. The reagent is quite unstable and is best prepared fresh or stored at low temperature under nitrogen. It is a lachrymator.

References

1. (a) Horita, K.; Yoshioka, T.; Tanaka, T.; Oikawa, Y.; Yonemitsu, O. T 1986, 42, 3021. (b) Oikawa, Y.; Tanaka, T.; Horita, K.; Yoshioka, T.; Yonemitsu, O. TL 1984, 25, 5393.
2. Lakhlifi, T.; Sedqui, A.; Laude, B.; Dinh An, N.; Vebrel, J. CJC 1991, 69, 1156.
3. Coote, S. J.; Davies, S. G.; Middlemiss, D.; Naylor, A. JCS(P1) 1989, 2223.

3,4-DIMETHOXYBENZYL BROMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3,4-DIMETHOXYBENZYL BROMIDE manufacturers

Career Henan Chemical Co
Product
3,4-DIMETHOXYBENZYL BROMIDE 21852-32-4
Price
US $3.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2020-02-04

21852-32-4, 3,4-DIMETHOXYBENZYL BROMIDERelated Search:

6-(bromomethyl)-2,3-dihydro-1,4-benzodioxine 4,5-DIMETHOXY-2-NITROBENZYL BROMIDE 2,3-DIBROMO-1-(2-NITROPHENYL)-3-(3,4,5-TRIMETHOXYPHENYL)PROPAN-1-ONE 4-(BROMOMETHYL)-1,2-DIETHOXYBENZENE 5-BROMOMETHYL-1,2,3-TRIMETHOXY-BENZENE 4-[2-(3,4-DIMETHOXYPHENYL)-1,2-DIBROMOETHYL]-1,2-DIMETHOXYBENZENE 1-(bromomethyl)-2,3,4-trimethoxybenzene 3,4-DIMETHOXYBENZYL BROMIDE 2-(BENZYLOXY)-4-(BROMOMETHYL)-1-METHOXYBENZENE AKOS 230-05 Benzene, 4-(bromomethyl)-1-methoxy-2-(3-methoxypropoxy)- BIS-3,4-DIMETHOXYSTILBENE DIBROMIDE 7-(bromomethyl)-3,4-dihydro-2h-benzo[b][1,4]dioxepine 2-Bromo-4,5-Dimethoxybenzyl Bromide 2,3-DIBROMO-3-(4-ETHOXY-3-METHOXYPHENYL)-1-(2-NITROPHENYL)PROPAN-1-ONE

  • 4-(BroMoMethyl)-1,2-diMethoxybenzene
  • 3,4-DiMethoxybenzyl BroMide Discontinued due to stability
  • Veratryl bromide
  • Benzene, 4-(broMoMethyl)-1,2-diMethoxy-
  • Toluene, α-bromo-3,4-dimethoxy-
  • 3,4-DIMETHOXYBENZYL BROMIDE
  • 21852-32-4
  • Aromatics
  • Miscellaneous Reagents