ChemicalBook > CAS DataBase List > 1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER

1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER

Product Name
1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER
CAS No.
35120-18-4
Chemical Name
1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER
Synonyms
Ethyl 1-bromocyclobutane-1-carboxylate;ETHYL 1-BROMOCYCLOBUTANECARBOXYLATE;NSC 135010;1-Bromo-1-carbethoxycyclobutane;1-Ethoxycarbonyl-1-bromocyclobutane;Ethyl1-bromocyclobutanecarboxylate,95%;Ethyl 1-broMocyclobutanecarboxylate 96%;Ethyl 1-bromocyclobutanecarboxylate,96%;1-Bromocyclobutanecarboxylic acid ethyl;ethyl alpha-bromocyclobutanecarboxylate
CBNumber
CB0288831
Molecular Formula
C7H11BrO2
Formula Weight
207.07
MOL File
35120-18-4.mol
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1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER Property

Boiling point:
85-88 °C12 mm Hg(lit.)
Density 
1.279 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.471(lit.)
Flash point:
175 °F
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Liquid
color 
Clear colorless
Stability:
Light Sensitive
InChIKey
UTVNSHXHFRIXMM-UHFFFAOYSA-N
CAS DataBase Reference
35120-18-4
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Safety

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-27-36/37/39-45
RIDADR 
UN 3265 8/PG 2
WGK Germany 
3
HazardClass 
8
PackingGroup 
III
HS Code 
29162000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P363Wash contaminated clothing before reuse.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
197297
Product name
Ethyl 1-bromocyclobutanecarboxylate
Purity
96%
Packaging
5g
Price
$111
Updated
2023/01/07
TCI Chemical
Product number
E1245
Product name
Ethyl 1-Bromocyclobutanecarboxylate
Purity
>96.0%(GC)
Packaging
1g
Price
$42
Updated
2025/07/31
TCI Chemical
Product number
E1245
Product name
Ethyl 1-Bromocyclobutanecarboxylate
Purity
>96.0%(GC)
Packaging
5g
Price
$167
Updated
2025/07/31
TRC
Product number
E900295
Product name
Ethyl 1-bromocyclobutanecarboxylate
Packaging
1g
Price
$90
Updated
2021/12/16
Matrix Scientific
Product number
059021
Product name
Ethyl alpha-bromocyclobutanecarboxylate
Purity
95+%
Packaging
1g
Price
$114
Updated
2021/12/16
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1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER Chemical Properties,Usage,Production

Chemical Properties

Clear colorless liquid

Uses

Ethyl 1-bromocyclobutanecarboxylate was used in the synthesis of 1?aminocyclobutane carboxylic acid.

Synthesis

14924-53-9

35120-18-4

To a solution of ethyl cyclobutanecarboxylate (10 g) in carbon tetrachloride (100 mL) was sequentially added N-bromosuccinimide (NBS, 20.83 g) and azobisisobutyronitrile (AIBN, 1.281 g). The reaction mixture was stirred at 80 °C for 2 hours. Upon completion of the reaction, the reaction was quenched by the addition of water (50 mL) and the mixture was extracted with ethyl acetate (3 x 50 mL). The organic phases were combined and washed sequentially with saturated sodium bicarbonate solution (50 mL), water (50 mL) and saturated saline (50 mL), dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate=100:1) to afford the target product ethyl 1-bromocyclobutanecarboxylate (10 g) as a yellow oil.1H NMR (400MHz, CDCl3) δ: 4.26 (q, J=14.4,7.2Hz, 2H), 2.95-2.88 (m, 2H), 2.67- 2.59 (m, 2H), 2.26-2.21 (m, 1H), 1.91-1.86 (m, 1H), 1.32 (t, J=7.2Hz, 3H).

References

[1] Journal of Organic Chemistry, 2012, vol. 77, # 23, p. 11002 - 11005
[2] Chemical Communications, 2015, vol. 51, # 42, p. 8773 - 8776
[3] Organic Letters, 2016, vol. 18, # 9, p. 2040 - 2043
[4] Patent: WO2018/15411, 2018, A1. Location in patent: Paragraph 0165; 0166; 0167; 0168; 0169; 0170
[5] ACS Medicinal Chemistry Letters, 2016, vol. 7, # 11, p. 988 - 993

1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER Preparation Products And Raw materials

Raw materials

Preparation Products

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1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER Suppliers

Shanghai ChemIDo Co., Ltd.
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China
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J & K SCIENTIFIC LTD.
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View Lastest Price from 1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
ethyl 1-bromocyclobutane-1-carboxylate 35120-18-4
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-28
Henan Aochuang Chemical Co.,Ltd.
Product
1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER 35120-18-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-26
Shaanxi Dideu Medichem Co. Ltd
Product
1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER 35120-18-4
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20T
Release date
2024-08-09

35120-18-4, 1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTERRelated Search:


  • 1-BROMO-CYCLOBUTANECARBOXYLIC ACID ETHYL ESTER
  • Cyclobutanecarboxylic acid, 1-bromo-, ethyl ester
  • ethyl alpha-bromocyclobutanecarboxylate
  • 1-Bromocyclobutane-1-carboxylic acid ethyl ester
  • 1-Bromocyclobutanecarboxylic acid ethyl
  • Ethyl 1-bromocyclobutanecarboxylate,96%
  • Ethyl 1-bromocyclobutane-1-carboxylate
  • NSC 135010
  • 1-Bromo-1-carbethoxycyclobutane
  • 1-Ethoxycarbonyl-1-bromocyclobutane
  • Ethyl 1-broMocyclobutanecarboxylate 96%
  • ETHYL 1-BROMOCYCLOBUTANECARBOXYLATE
  • Ethyl1-bromocyclobutanecarboxylate,95%
  • Ethyl 1-<WBR>bromocyclobutanecarboxylate
  • ethyl 1-bromocyclobutane-1-carboxylate - [E23222]
  • 35120-18-4
  • 38120-15-4
  • BrC4H6CO2C2H5
  • Building Blocks
  • C6 to C7
  • Organic Building Blocks
  • Esters
  • Carbonyl Compounds
  • C6 to C7
  • Carbonyl Compounds
  • Esters